/* ================================================================
   US Stock Guide — 统一暗色高级主题
   ================================================================ */

/* ---- 变量 ---- */
:root {
  --bg: #0a0b0e;
  --bg-surface: #121317;
  --bg-card: #181b20;
  --bg-card-hover: #1e2128;
  --bg-elevated: #1e2128;
  --border: #282c35;
  --border-light: #333841;
  --text: #e4e7ec;
  --text-secondary: #8b8fa3;
  --text-muted: #5c6072;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-dim: rgba(59,130,246,0.12);
  --green: #10b981;
  --green-bg: rgba(16,185,129,0.1);
  --red: #ef4444;
  --red-bg: rgba(239,68,68,0.1);
  --yellow: #f59e0b;
  --purple: #8b5cf6;
  --nasdaq: #10b981;
  --sp500: #3b82f6;
  --dow: #8b5cf6;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* 滚动入场动画 */
.anim-in{opacity:0;transform:scale(0.85);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)}
.anim-in.revealed{opacity:1;transform:scale(1)}

/* 导航高亮 */
.nav-links a.nav-active{color:var(--accent-hover);background:var(--accent-dim)}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","Noto Sans SC",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased
}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-hover)}
img{max-width:100%}
::selection{background:var(--accent-dim);color:var(--text)}

.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* ================================================================
   导航栏
   ================================================================ */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(10,11,14,0.85);backdrop-filter:blur(16px) saturate(1.8);
  border-bottom:1px solid var(--border);
  transition:background var(--transition)
}
.nav-container{
  max-width:1120px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;height:60px
}
.nav-logo{
  font-weight:700;font-size:1.15rem;background:linear-gradient(135deg,var(--accent),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.nav-links{display:flex;list-style:none;gap:4px}
.nav-links a{
  text-decoration:none;color:var(--text-secondary);font-size:0.88rem;
  padding:8px 16px;border-radius:20px;transition:all var(--transition);
  font-weight:500
}
.nav-links a:hover{color:var(--text);background:var(--accent-dim)}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text)}

/* ================================================================
   首页英雄区
   ================================================================ */
.hero{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;padding:120px 24px 80px;
  position:relative;overflow:hidden
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 30%, rgba(59,130,246,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 500px 500px at 80% 70%, rgba(139,92,246,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 300px 300px at 50% 50%, rgba(16,185,129,0.04) 0%, transparent 60%);
  pointer-events:none
}
.hero-content{position:relative;z-index:1}
.hero-badge{
  display:inline-block;background:var(--accent-dim);color:var(--accent-hover);
  padding:6px 16px;border-radius:20px;font-size:0.8rem;font-weight:600;
  margin-bottom:20px;border:1px solid rgba(59,130,246,0.2)
}
.hero-title{
  font-size:clamp(2.4rem,5.5vw,3.8rem);font-weight:800;letter-spacing:-0.03em;
  background:linear-gradient(135deg,var(--text) 40%,var(--accent-hover) 70%,var(--purple) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:16px;line-height:1.15
}
.hero-subtitle{
  font-size:clamp(1rem,2vw,1.25rem);color:var(--text-secondary);
  margin-bottom:10px;font-weight:400
}
.hero-desc{
  font-size:0.95rem;color:var(--text-muted);max-width:520px;
  margin:0 auto 36px;line-height:1.7
}
.hero-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;text-decoration:none;
  padding:14px 36px;border-radius:30px;font-weight:600;font-size:1rem;
  transition:all var(--transition);box-shadow:0 4px 20px rgba(59,130,246,0.3)
}
.hero-btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 28px rgba(59,130,246,0.4);color:#fff}

/* ---- 实时牌价卡片 ---- */
.hero-tickers{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:52px;width:100%;max-width:920px;position:relative;z-index:1
}
.ticker-card{
  display:block;background:var(--bg-card);border-radius:var(--radius);
  padding:24px 22px;border:1px solid var(--border);
  transition:all var(--transition);text-decoration:none;color:inherit;
  position:relative;overflow:hidden
}
.ticker-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px
}
.ticker-card[data-index="nasdaq"]::before{background:linear-gradient(90deg,var(--nasdaq),rgba(16,185,129,0.3))}
.ticker-card[data-index="sp500"]::before{background:linear-gradient(90deg,var(--sp500),rgba(59,130,246,0.3))}
.ticker-card[data-index="dowjones"]::before{background:linear-gradient(90deg,var(--dow),rgba(139,92,246,0.3))}
.ticker-card:hover{
  transform:translateY(-6px);border-color:var(--border-light);
  background:var(--bg-card-hover);box-shadow:var(--shadow-lg)
}
.ticker-name{font-size:0.82rem;color:var(--text-muted);margin-bottom:10px;letter-spacing:0.3px;text-transform:uppercase;font-weight:600}
.ticker-value{font-size:2rem;font-weight:800;color:var(--text);margin-bottom:6px;letter-spacing:-1px}
.ticker-change{font-size:0.95rem;font-weight:600}
.ticker-change.up{color:var(--green)}
.ticker-change.down{color:var(--red)}

/* ---- 迷你走势图 ---- */
.ticker-sparkline{
  height:36px;margin-top:10px;display:flex;align-items:flex-end;gap:2px;opacity:0
}
.ticker-card:hover .ticker-sparkline{opacity:1;transition:opacity 0.3s ease}
.spark-bar{
  flex:1;border-radius:2px 2px 0 0;min-width:3px;
  transition:height 0.6s cubic-bezier(0.22,0.61,0.36,1)
}
.spark-bar.nasdaq{background:var(--green);opacity:0.7}
.spark-bar.sp500{background:var(--accent);opacity:0.7}
.spark-bar.dow{background:var(--purple);opacity:0.7}

/* ---- 行情卡片涨跌脉冲 ---- */
.ticker-card.pulse-up{animation:pulseUp 0.6s ease}
.ticker-card.pulse-down{animation:pulseDown 0.6s ease}
@keyframes pulseUp{0%{box-shadow:0 0 0 0 rgba(16,185,129,0.5)}70%{box-shadow:0 0 20px 8px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
@keyframes pulseDown{0%{box-shadow:0 0 0 0 rgba(239,68,68,0.5)}70%{box-shadow:0 0 20px 8px rgba(239,68,68,0)}100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}}

/* ---- 市场状态徽章 ---- */
.market-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:0.78rem;font-weight:600;padding:5px 14px;
  border-radius:16px;margin-bottom:14px
}
.market-status.open{background:rgba(16,185,129,0.12);color:var(--green);border:1px solid rgba(16,185,129,0.25)}
.market-status.closed{background:rgba(239,68,68,0.08);color:var(--red);border:1px solid rgba(239,68,68,0.2)}
.market-status .status-dot{width:8px;height:8px;border-radius:50%}
.market-status.open .status-dot{background:var(--green);animation:pulse 2s infinite}
.market-status.closed .status-dot{background:var(--red)}

/* ---- 投资性格测试 ---- */
.personality-quiz{
  max-width:700px;margin:0 auto;padding:28px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius)
}
.pq-question{margin-bottom:20px}
.pq-question:last-child{margin-bottom:0}
.pq-label{display:block;font-size:0.95rem;font-weight:600;color:var(--text);margin-bottom:10px}
.pq-opts{display:flex;gap:10px;flex-wrap:wrap}
.pq-opt{
  flex:1;min-width:100px;padding:12px 16px;text-align:center;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--bg-surface);color:var(--text-secondary);cursor:pointer;
  font-size:0.85rem;transition:all 0.25s ease;user-select:none
}
.pq-opt:hover{border-color:var(--border-light);color:var(--text);background:var(--bg-card)}
.pq-opt.selected{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}
.pq-result{
  margin-top:24px;padding:20px 24px;border-radius:var(--radius-sm);
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.2);
  display:none;text-align:center
}
.pq-result.show{display:block;animation:fadeInUp 0.5s ease}
.pq-result-type{font-size:1.3rem;font-weight:800;color:var(--accent-hover);margin-bottom:4px}
.pq-result-desc{font-size:0.9rem;color:var(--text-secondary);line-height:1.6}
.pq-result-etf{margin-top:10px;font-size:0.9rem;color:var(--text);font-weight:600}
.pq-reset{margin-top:14px;font-size:0.8rem;color:var(--accent);cursor:pointer;background:none;border:none}

/* ---- 你知道吗旋转卡片 ---- */
.fact-rotator{
  position:relative;max-width:650px;margin:24px auto 0;height:120px;
  perspective:1000px
}
.fact-card{
  position:absolute;inset:0;
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 28px;display:flex;align-items:center;gap:16px;
  backface-visibility:hidden;transition:all 0.6s cubic-bezier(0.4,0,0.2,1);
  opacity:0;transform:rotateX(15deg) translateY(10px);pointer-events:none
}
.fact-card.active{opacity:1;transform:rotateX(0) translateY(0);pointer-events:auto}
.fact-card.exit{opacity:0;transform:rotateX(-15deg) translateY(-10px)}
.fact-icon{font-size:2.4rem;flex-shrink:0}
.fact-text{flex:1}
.fact-text h4{font-size:0.95rem;font-weight:700;color:var(--text);margin-bottom:4px}
.fact-text p{font-size:0.85rem;color:var(--text-secondary);line-height:1.5}
.fact-dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.fact-dot{
  width:8px;height:8px;border-radius:50%;background:var(--border);
  cursor:pointer;transition:all 0.3s ease
}
.fact-dot.active{background:var(--accent);width:24px;border-radius:4px}

/* 实时新闻卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:960px;margin:0 auto}
.news-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:all var(--transition);text-decoration:none;color:inherit;
  position:relative;overflow:hidden
}
.news-card:hover{border-color:var(--border-light);background:var(--bg-card-hover);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.news-card-source{
  display:inline-flex;align-items:center;gap:4px;
  font-size:0.72rem;font-weight:600;color:var(--accent-hover);
  text-transform:uppercase;letter-spacing:0.5px
}
.news-card-source::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.news-card-title{
  font-size:0.95rem;font-weight:600;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden
}
.news-card-desc{
  font-size:0.82rem;color:var(--text-secondary);line-height:1.6;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden
}
.news-card-time{font-size:0.72rem;color:var(--text-muted);margin-top:auto}
.news-card-link{
  display:inline-block;margin-top:auto;font-size:0.8rem;color:var(--accent-hover);
  font-weight:600;transition:color var(--transition)
}
.news-card:hover .news-card-link{color:var(--accent)}
.news-spinner{
  width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);
  border-radius:50%;margin:0 auto;animation:spin 0.8s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}
.news-error{text-align:center;padding:24px;color:var(--text-muted)}

@media (max-width:900px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.news-grid{grid-template-columns:1fr;max-width:420px}}

/* ================================================================
   首页章节通用
   ================================================================ */
.section{padding:88px 0}
.section-alt{background:var(--bg-surface)}
.section-title{
  font-size:2rem;font-weight:700;margin-bottom:14px;text-align:center;
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  letter-spacing:-0.02em
}
.section-intro{text-align:center;color:var(--text-secondary);max-width:650px;margin:0 auto 44px;font-size:1rem;line-height:1.7}

.badge{
  font-size:0.7rem;font-weight:700;padding:4px 12px;border-radius:20px;
  text-transform:uppercase;letter-spacing:0.5px
}
.badge-tech{background:var(--green-bg);color:var(--green)}
.badge-benchmark{background:var(--accent-dim);color:var(--accent)}
.badge-old{background:rgba(139,92,246,0.1);color:var(--purple)}

/* ---- 信息卡片 ---- */
.cards-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  display:block;background:var(--bg-card);border-radius:var(--radius);padding:32px 26px;
  border:1px solid var(--border);transition:all var(--transition);
  text-decoration:none;color:inherit
}
.info-card:hover{transform:translateY(-4px);border-color:var(--border-light);background:var(--bg-card-hover);box-shadow:var(--shadow-md)}
.info-card .card-icon{font-size:2.2rem;margin-bottom:14px;display:block}
.info-card h3{font-size:1.1rem;margin-bottom:10px;font-weight:600}
.info-card p{font-size:0.92rem;color:var(--text-secondary);margin-bottom:14px;line-height:1.65}
.info-card ul{list-style:none;font-size:0.87rem;color:var(--text-muted)}
.info-card ul li{padding:4px 0}
.info-card ul li::before{content:"•";color:var(--accent);margin-right:10px;font-weight:700}

/* ---- 详情布局 ---- */
.detail-layout{display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:start}
.detail-text h3{font-size:1.1rem;margin:24px 0 10px;color:var(--text);font-weight:600}
.detail-text h3:first-child{margin-top:0}
.detail-text p{color:var(--text-secondary);font-size:0.95rem;margin-bottom:10px;line-height:1.7}
.detail-text strong{color:var(--text)}

.detail-visual{display:flex;flex-direction:column;gap:16px;position:sticky;top:80px}
.stat-box{
  background:var(--bg-card);border-radius:var(--radius);padding:22px;
  text-align:center;border:1px solid var(--border)
}
.stat-number{font-size:1.7rem;font-weight:700;color:var(--accent-hover)}
.stat-label{font-size:0.82rem;color:var(--text-muted);margin-top:4px}

/* ---- 公司列表 ---- */
.company-list{list-style:none;margin-top:10px}
.company-list li{padding:7px 0;font-size:0.92rem;border-bottom:1px solid var(--border);color:var(--text-secondary)}
.company-list li:last-child{border-bottom:none}
.company-icon{margin-right:8px}

.note-box{
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.2);
  border-radius:var(--radius-sm);padding:14px 18px;margin-top:18px;
  font-size:0.9rem;color:var(--accent-hover)
}

/* ---- 板块分布条 ---- */
.sector-bars{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.sector-bar{
  display:flex;align-items:center;height:30px;border-radius:15px;
  overflow:hidden;background:var(--bg-surface);font-size:0.78rem
}
.sector-name{width:80px;text-align:right;padding-right:12px;color:var(--text-muted);font-weight:500;flex-shrink:0}
.sector-fill{
  background:var(--accent);color:#fff;padding-left:14px;
  display:flex;align-items:center;font-weight:600;height:100%;
  border-radius:0 15px 15px 0;min-width:fit-content;opacity:0.85
}

/* ---- 道指公司标签 ---- */
.dow-companies{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.dow-companies span{
  background:var(--bg-card);border:1px solid var(--border);border-radius:20px;
  padding:4px 14px;font-size:0.8rem;color:var(--text-muted);transition:all var(--transition)
}
.dow-companies span:hover{background:var(--bg-card-hover);color:var(--text);border-color:var(--border-light)}

.note-text{font-size:0.83rem;color:var(--text-muted);margin-top:14px;font-style:italic}

/* ---- 深读框 ---- */
.deep-box{
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.2);
  border-radius:var(--radius-sm);padding:16px 20px;margin-top:18px
}
.deep-box strong{display:block;margin-bottom:6px;color:var(--accent-hover)}
.deep-box p{color:var(--text-secondary);font-size:0.9rem;line-height:1.65;margin-bottom:0}

/* ---- 优缺点对比 ---- */
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.pros-cons-box{
  border-radius:var(--radius-sm);padding:18px 20px;border:1px solid var(--border)
}
.pros-cons-box h4{font-size:0.95rem;margin-bottom:10px;font-weight:600}
.pros-cons-box ul{list-style:none;font-size:0.87rem;color:var(--text-secondary)}
.pros-cons-box ul li{padding:3px 0}
.pros-cons-box.pros{background:rgba(16,185,129,0.06);border-color:rgba(16,185,129,0.2)}
.pros-cons-box.pros h4{color:var(--green)}
.pros-cons-box.cons{background:rgba(239,68,68,0.06);border-color:rgba(239,68,68,0.2)}
.pros-cons-box.cons h4{color:var(--red)}

/* ---- 适合人群条 ---- */
.suitability-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-top:18px;padding:14px 18px;
  background:var(--bg-surface);border-radius:var(--radius-sm);
  border:1px solid var(--border)
}
.suit-label{font-size:0.85rem;font-weight:600;color:var(--text);margin-right:4px}
.suit-item{
  font-size:0.8rem;padding:4px 12px;border-radius:16px;
  background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary)
}

/* ---- 时间线 ---- */
.timeline-box{
  display:flex;flex-direction:column;gap:6px;margin-top:14px
}
.tl-item{
  font-size:0.9rem;color:var(--text-secondary);padding:8px 14px;
  background:var(--bg-surface);border-radius:var(--radius-xs);
  border-left:3px solid var(--accent)
}
.tl-year{font-weight:700;color:var(--accent-hover);margin-right:8px}

/* ---- 对比总结框 ---- */
.summary-box{
  margin-top:24px;padding:20px 24px;
  background:var(--bg-card);border:1px solid var(--border-light);
  border-radius:var(--radius)
}
.summary-box h3{font-size:1.05rem;margin-bottom:10px;color:var(--text);font-weight:600}
.summary-box p{color:var(--text-secondary);font-size:0.92rem;line-height:1.7}

/* ---- 关键要点 ---- */
.key-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.key-point{
  background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:12px 16px;
  font-size:0.88rem;color:var(--text-secondary);line-height:1.5
}
.key-point strong{color:var(--text)}

/* ---- 互动误区翻卡 ---- */
.myth-buster-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  max-width:900px;margin:32px auto 0
}
.myth-buster-col{display:flex;flex-direction:column;gap:14px}
.myth-buster-card{
  perspective:800px;height:150px;cursor:pointer
}
.myth-buster-inner{
  position:relative;width:100%;height:100%;
  transition:transform 0.6s cubic-bezier(0.4,0,0.2,1);
  transform-style:preserve-3d
}
.myth-buster-card.flipped .myth-buster-inner{transform:rotateY(180deg)}
.myth-front,.myth-back{
  position:absolute;inset:0;backface-visibility:hidden;
  border-radius:var(--radius-sm);padding:20px 18px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center
}
.myth-front{
  background:rgba(239,68,68,0.08);border:1px solid rgba(239,68,68,0.25);
  font-size:0.88rem;color:var(--text-secondary);line-height:1.5
}
.myth-front .myth-icon{font-size:1.5rem;display:block;margin-bottom:6px}
.myth-front .myth-tag{font-size:0.7rem;color:var(--red);margin-top:6px;opacity:0.7}
.myth-back{
  background:rgba(16,185,129,0.08);border:1px solid rgba(16,185,129,0.25);
  transform:rotateY(180deg);font-size:0.85rem;color:var(--text-secondary);line-height:1.5
}
.myth-back .myth-icon{font-size:1.5rem;display:block;margin-bottom:4px}
.myth-back strong{color:var(--green)}

/* ---- 互动风险确认 ---- */
.risk-acknowledge{
  max-width:600px;margin:28px auto 0;
  background:rgba(245,158,11,0.06);border:1px solid rgba(245,158,11,0.2);
  border-radius:var(--radius);overflow:hidden;transition:all 0.35s ease
}
.risk-acknowledge.acknowledged{
  background:rgba(16,185,129,0.05);border-color:rgba(16,185,129,0.2)
}
.risk-ack-header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;user-select:none
}
.risk-ack-header .risk-icon{font-size:1.5rem;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
.risk-ack-header strong{color:var(--yellow);font-size:0.95rem}
.risk-ack-body{
  max-height:0;overflow:hidden;transition:max-height 0.4s ease;
  padding:0 22px
}
.risk-acknowledge.expanded .risk-ack-body{max-height:300px;padding:0 22px 18px}
.risk-acknowledge.expanded .risk-icon{animation:none}
.risk-acknowledge .risk-ack-body p{color:var(--text-secondary);font-size:0.88rem;line-height:1.65}
.risk-ack-check{
  display:flex;align-items:center;gap:8px;margin-top:12px;
  font-size:0.85rem;color:var(--text-muted);cursor:pointer
}
.risk-ack-check input{accent-color:var(--green);width:18px;height:18px;cursor:pointer}
.risk-acknowledge.acknowledged .risk-icon{animation:none}
.risk-acknowledge.acknowledged .risk-ack-header strong{color:var(--green)}

/* ---- 投资者类型卡片 ---- */
.investor-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.investor-card{
  text-align:center;padding:20px 16px;
  border-radius:var(--radius);border:1px solid var(--border);
  background:var(--bg-card);transition:all var(--transition)
}
.investor-card:hover{border-color:var(--border-light);background:var(--bg-card-hover)}
.investor-card .inv-icon{font-size:2rem;display:block;margin-bottom:8px}
.investor-card h4{font-size:0.95rem;font-weight:600;margin-bottom:4px;color:var(--text)}
.investor-card p{font-size:0.82rem;color:var(--text-muted);line-height:1.5}

/* ---- 对比图表容器 ---- */
.compare-visuals{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:40px;align-items:start}
.compare-radar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);height:440px;overflow:hidden}
.compare-bars-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px}
.compare-bars-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:22px;text-align:center}

.compare-bar-group{margin-bottom:24px}
.compare-bar-group:last-child{margin-bottom:0}
.compare-bar-label{font-size:0.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;display:flex;justify-content:space-between}
.compare-bar-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.compare-bar-name{font-size:0.78rem;color:var(--text-muted);width:72px;flex-shrink:0;text-align:right}
.compare-bar-track{flex:1;height:18px;background:var(--bg-surface);border-radius:9px;overflow:hidden;position:relative}
.compare-bar-fill{height:100%;border-radius:9px;transition:width 1.2s cubic-bezier(0.22,0.61,0.36,1)}
.compare-bar-fill.nasdaq{background:linear-gradient(90deg,rgba(16,185,129,0.7),var(--green))}
.compare-bar-fill.sp500{background:linear-gradient(90deg,rgba(59,130,246,0.7),var(--accent))}
.compare-bar-fill.dow{background:linear-gradient(90deg,rgba(139,92,246,0.7),var(--purple))}
.compare-bar-value{font-size:0.78rem;font-weight:700;color:var(--text);width:44px;flex-shrink:0;transition:opacity 0.3s ease}
/* 柱状图 hover 高亮/变暗 */
.compare-bar-row.dimmed .compare-bar-fill{opacity:0.15;transition:opacity 0.35s ease}
.compare-bar-row.dimmed .compare-bar-name{opacity:0.3;transition:opacity 0.35s ease}
.compare-bar-row.dimmed .compare-bar-value{opacity:0.25;transition:opacity 0.35s ease}
.compare-bar-row.highlight .compare-bar-fill{opacity:1;filter:brightness(1.25);transition:all 0.35s ease}
.compare-bar-row.highlight .compare-bar-value{font-size:0.85rem;transition:all 0.35s ease}

/* 柱状图动画初始状态 */
.compare-bar-fill{width:0 !important}
.compare-bar-fill.animated{width:var(--bar-w) !important}

/* 对比小贴士 */
.compare-tip{
  margin-top:20px;padding:14px 18px;
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.15);
  border-radius:var(--radius-sm);text-align:center
}
.compare-tip p{font-size:0.85rem;color:var(--text-secondary);margin:0}
.compare-tip strong{color:var(--accent-hover)}

/* 雷达图下方的图例 */
.compare-legend{display:flex;justify-content:center;gap:28px;margin-top:16px;flex-wrap:wrap}
.compare-legend-item{display:flex;align-items:center;gap:6px;font-size:0.82rem;color:var(--text-secondary)}
.compare-legend-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.compare-legend-dot.n{background:var(--green)}
.compare-legend-dot.s{background:var(--accent)}
.compare-legend-dot.d{background:var(--purple)}

/* 对比数字亮点卡 */
.compare-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:40px}
.compare-highlight{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 18px;text-align:center;transition:all var(--transition);
  position:relative;overflow:hidden
}
.compare-highlight::before{content:"";position:absolute;top:0;left:0;right:0;height:3px}
.compare-highlight.nasdaq-hl::before{background:linear-gradient(90deg,var(--green),rgba(16,185,129,0.3))}
.compare-highlight.sp500-hl::before{background:linear-gradient(90deg,var(--accent),rgba(59,130,246,0.3))}
.compare-highlight.dow-hl::before{background:linear-gradient(90deg,var(--purple),rgba(139,92,246,0.3))}
.compare-highlight:hover{transform:translateY(-4px);border-color:var(--border-light);box-shadow:var(--shadow-md)}
.compare-highlight .hl-icon{font-size:2rem;display:block;margin-bottom:6px}
.compare-highlight .hl-name{font-size:0.9rem;font-weight:600;color:var(--text);margin-bottom:12px}
.compare-highlight .hl-metric{margin-bottom:6px}
.compare-highlight .hl-value{font-size:1.6rem;font-weight:800;letter-spacing:-0.02em}
.compare-highlight .hl-label{font-size:0.75rem;color:var(--text-muted)}
.compare-highlight .hl-sub{font-size:0.78rem;color:var(--text-muted);margin-top:4px}
.compare-highlight .hl-value.green{color:var(--green)}
.compare-highlight .hl-value.blue{color:var(--accent-hover)}
.compare-highlight .hl-value.purple{color:var(--purple)}

/* ---- 对比表格 ---- */
.table-wrapper{
  overflow-x:auto;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--bg-card)
}
.compare-table{width:100%;border-collapse:collapse}
.compare-table thead th{
  background:var(--bg-surface);padding:14px 18px;text-align:left;
  font-weight:600;font-size:0.9rem;border-bottom:1px solid var(--border);
  white-space:nowrap;color:var(--text-secondary)
}
.compare-table td{
  padding:12px 18px;border-bottom:1px solid var(--border);
  font-size:0.9rem;color:var(--text-secondary)
}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover{background:var(--bg-card-hover)}
.compare-table td:first-child{font-weight:600;color:var(--text);white-space:nowrap}
.col-nasdaq{color:var(--nasdaq)!important}
.col-sp500{color:var(--sp500)!important}
.col-dow{color:var(--dow)!important}

/* ---- 互动步骤器 ---- */
.beginner-stepper{display:flex;justify-content:center;align-items:center;gap:0;margin-bottom:40px;flex-wrap:wrap}
.stepper-node{display:flex;align-items:center;gap:0}
.stepper-dot{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.1rem;cursor:pointer;
  background:var(--bg-card);border:2px solid var(--border);
  color:var(--text-muted);transition:all 0.35s ease;
  flex-shrink:0;position:relative;z-index:1
}
.stepper-dot:hover{border-color:var(--border-light);color:var(--text-secondary)}
.stepper-dot.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 4px 16px rgba(59,130,246,0.35)}
.stepper-dot.done{background:var(--green);border-color:var(--green);color:#fff}
.stepper-line{width:48px;height:2px;background:var(--border);flex-shrink:0;transition:background 0.35s ease}
.stepper-line.done{background:var(--green)}

/* ---- 互动步骤卡片 ---- */
.interactive-steps{max-width:800px;margin:0 auto 40px;display:flex;flex-direction:column;gap:16px}
.istep{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:all var(--transition);cursor:pointer
}
.istep:hover{border-color:var(--border-light)}
.istep.open{border-color:var(--accent);box-shadow:0 4px 20px rgba(59,130,246,0.12)}
.istep-header{
  display:flex;align-items:center;gap:16px;padding:20px 24px;
  user-select:none
}
.istep-num{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1rem;
  background:linear-gradient(135deg,var(--accent),var(--purple));
  color:#fff;box-shadow:0 2px 8px rgba(59,130,246,0.3)
}
.istep-title{font-size:1.05rem;font-weight:600;color:var(--text);flex:1}
.istep-arrow{font-size:0.8rem;color:var(--text-muted);transition:transform 0.35s ease}
.istep.open .istep-arrow{transform:rotate(180deg)}
.istep-body{
  max-height:0;overflow:hidden;transition:max-height 0.5s cubic-bezier(0.4,0,0.2,1)
}
.istep.open .istep-body{max-height:2000px}
.istep-inner{padding:0 24px 24px}

/* ---- 术语翻转卡 ---- */
.term-flip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
.term-flip-card{perspective:800px;height:140px;cursor:pointer}
.term-flip-inner{
  position:relative;width:100%;height:100%;
  transition:transform 0.6s cubic-bezier(0.4,0,0.2,1);
  transform-style:preserve-3d
}
.term-flip-card.flipped .term-flip-inner{transform:rotateY(180deg)}
.term-front,.term-back{
  position:absolute;inset:0;backface-visibility:hidden;
  border-radius:var(--radius-sm);padding:18px 16px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center
}
.term-front{
  background:var(--bg-surface);border:1px solid var(--border);
  font-weight:600;font-size:0.95rem;color:var(--text)
}
.term-front .term-icon{font-size:1.6rem;display:block;margin-bottom:6px}
.term-back{
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.2);
  transform:rotateY(180deg);font-size:0.85rem;color:var(--text-secondary);line-height:1.5
}
.term-back strong{color:var(--accent-hover)}

/* ---- ETF 推荐问答 ---- */
.etf-quiz{padding:20px;background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border);margin-top:14px}
.etf-quiz-q{margin-bottom:16px}
.etf-quiz-q:last-child{margin-bottom:0}
.etf-quiz-label{font-size:0.9rem;font-weight:600;color:var(--text);margin-bottom:8px;display:block}
.etf-quiz-opts{display:flex;gap:8px;flex-wrap:wrap}
.etf-quiz-opt{
  padding:8px 18px;border:1px solid var(--border);border-radius:20px;
  background:var(--bg-card);color:var(--text-secondary);cursor:pointer;
  font-size:0.85rem;transition:all 0.25s ease;user-select:none
}
.etf-quiz-opt:hover{border-color:var(--border-light);color:var(--text)}
.etf-quiz-opt.selected{background:var(--accent);color:#fff;border-color:var(--accent)}
.etf-quiz-result{
  margin-top:18px;padding:16px 20px;border-radius:var(--radius-sm);
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.2);
  display:none
}
.etf-quiz-result.show{display:block;animation:fadeInUp 0.4s ease}
.etf-quiz-result .result-etf{font-size:1.5rem;font-weight:800;color:var(--accent-hover)}
.etf-quiz-result .result-reason{font-size:0.9rem;color:var(--text-secondary);margin-top:4px;line-height:1.5}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ---- 复利计算器 ---- */
.compound-calc{
  padding:24px;background:var(--bg-surface);border-radius:var(--radius);
  border:1px solid var(--border);margin-top:14px
}
.calc-row{display:flex;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.calc-label{font-size:0.85rem;font-weight:600;color:var(--text);width:100px;flex-shrink:0}
.calc-slider{flex:1;min-width:180px;-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--border);outline:none}
.calc-slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,0.3)}
.calc-value{
  font-size:1.1rem;font-weight:700;color:var(--accent-hover);
  min-width:100px;text-align:right
}
.calc-result{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--border)
}
.calc-result-item{text-align:center}
.calc-result-val{font-size:1.4rem;font-weight:800;color:var(--text);letter-spacing:-0.02em}
.calc-result-val.green{color:var(--green)}
.calc-result-label{font-size:0.75rem;color:var(--text-muted);margin-top:2px}
.calc-chart{height:200px;margin-top:16px;background:var(--bg-card);border-radius:var(--radius-sm)}

/* ---- 步骤 ---- */
.steps{display:flex;flex-direction:column;gap:20px;max-width:750px;margin:0 auto 44px}
.step{display:flex;gap:20px;align-items:flex-start}
.step-number{
  flex-shrink:0;width:44px;height:44px;background:linear-gradient(135deg,var(--accent),var(--purple));
  color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.1rem;
  box-shadow:0 4px 12px rgba(59,130,246,0.3)
}
.step-content{
  background:var(--bg-card);border-radius:var(--radius);padding:22px 26px;
  flex:1;border:1px solid var(--border);transition:border-color var(--transition)
}
.step-content:hover{border-color:var(--border-light)}
.step-content h3{font-size:1.05rem;margin-bottom:8px;font-weight:600}
.step-content p{color:var(--text-secondary);font-size:0.92rem;line-height:1.65}

.etf-recs{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.etf-item{
  font-size:0.88rem;color:var(--text-secondary);padding:10px 14px;
  background:var(--bg-surface);border-radius:var(--radius-sm);
  border-left:3px solid var(--accent);border:1px solid var(--border);border-left-color:var(--accent)
}

.warning-box{
  max-width:750px;margin:0 auto;background:rgba(245,158,11,0.08);
  border:1px solid rgba(245,158,11,0.25);border-radius:var(--radius);
  padding:20px 24px
}
.warning-box strong{color:var(--yellow)}
.warning-box p{color:var(--text-secondary);font-size:0.88rem;margin-top:6px}

/* ---- 悬停详情面板 ---- */
.hover-detail{
  margin-top:8px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--bg-card);
  overflow:hidden;
  transition:all 0.4s ease;
  opacity:0.35;
}
.hover-detail.active{
  opacity:1;
  border-color:var(--border-light);
  box-shadow:var(--shadow-md);
}
.hover-detail-inner{
  padding:32px 30px;
  transition:opacity 0.3s ease;
}
.hover-detail-placeholder{
  text-align:center;padding:20px 0;
  color:var(--text-muted);font-size:0.95rem
}
.hover-detail-placeholder .placeholder-icon{
  font-size:2rem;display:block;margin-bottom:10px
}
/* 详情面板内标题颜色微调 */
.hover-detail .detail-text h3:first-child{margin-top:0}

/* ---- FAQ ---- */
.faq-list{max-width:750px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg-card);transition:border-color var(--transition)}
.faq-item:hover{border-color:var(--border-light)}
.faq-question{
  width:100%;text-align:left;background:none;border:none;padding:18px 22px;
  font-size:1rem;font-weight:600;color:var(--text);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:12px
}
.faq-question:hover{background:var(--bg-card-hover)}
.faq-icon{font-size:1.2rem;color:var(--accent);transition:transform 0.3s}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height 0.35s ease,padding 0.35s ease;
  padding:0 22px
}
.faq-item.active .faq-answer{max-height:300px;padding:0 22px 18px}
.faq-answer p{color:var(--text-secondary);font-size:0.92rem;line-height:1.65}

/* ---- 快速步骤（首页新手引导） ---- */
.quick-steps{display:flex;flex-direction:column;gap:18px;max-width:750px;margin:0 auto 36px}
.qstep{display:flex;gap:20px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;transition:all var(--transition)}
.qstep:hover{border-color:var(--border-light);transform:translateX(4px);box-shadow:var(--shadow-md)}
.qstep-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;background:var(--bg-surface);border-radius:50%;border:1px solid var(--border)}
.qstep-body{flex:1}
.qstep-body h3{font-size:1.05rem;font-weight:600;color:var(--text);margin-bottom:6px}
.qstep-body p{font-size:0.9rem;color:var(--text-secondary);line-height:1.65}
.beginner-cta-btn{text-align:center;margin-top:8px}

/* ================================================================
   首页页脚
   ================================================================ */
.footer{
  background:var(--bg-surface);border-top:1px solid var(--border);
  text-align:center;padding:36px 24px;color:var(--text-muted);font-size:0.85rem
}
.footer p{margin:4px 0}
.footer-copy{margin-top:12px;color:var(--text-muted);opacity:0.6}

/* ================================================================
   交易看板 (Dashboard) — 暗色主题
   ================================================================ */
.dashboard-body{background:var(--bg);color:var(--text);min-height:100vh}

.detail-link{
  display:inline-block;margin-top:18px;padding:10px 24px;
  background:var(--accent);color:#fff;text-decoration:none;
  border-radius:24px;font-size:0.88rem;font-weight:600;
  transition:all var(--transition)
}
.detail-link:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 16px rgba(59,130,246,0.3);color:#fff}

/* ---- 看板顶栏 ---- */
.dash-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 28px;background:var(--bg-surface);
  border-bottom:1px solid var(--border);flex-wrap:wrap;gap:12px
}
.dash-header-left{display:flex;align-items:center;gap:20px}
.back-btn{
  color:var(--text-muted);text-decoration:none;font-size:0.85rem;
  padding:6px 14px;border:1px solid var(--border);border-radius:var(--radius-xs);
  transition:all var(--transition);white-space:nowrap
}
.back-btn:hover{color:var(--text);border-color:var(--border-light);background:var(--bg-card)}
.dash-title{font-size:1.1rem;font-weight:700;color:var(--text)}
.dash-header-right{display:flex;align-items:center;gap:16px}
.update-time{font-size:0.8rem;color:var(--text-muted)}

/* ---- 指数切换标签 ---- */
.index-tabs{display:flex;gap:4px;padding:20px 28px 0;background:var(--bg)}
.index-tab{
  flex:1;max-width:300px;padding:14px 20px;border:1px solid var(--border);
  background:var(--bg-surface);color:var(--text-muted);cursor:pointer;
  border-radius:var(--radius-sm) var(--radius-sm) 0 0;text-align:center;
  transition:all var(--transition);border-bottom:none
}
.index-tab:hover{color:var(--text-secondary);background:var(--bg-card)}
.index-tab.active{
  background:var(--bg-card);color:var(--text);
  border-color:var(--accent);box-shadow:0 -2px 12px rgba(59,130,246,0.1)
}
.tab-name{display:block;font-size:1rem;font-weight:600;margin-bottom:2px}
.tab-symbol{display:block;font-size:0.75rem;color:var(--text-muted)}
.index-tab.active .tab-symbol{color:var(--accent-hover)}

/* ---- 实时报价条 ---- */
.price-strip{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 28px;background:var(--bg-card);
  border:1px solid var(--border);border-top:2px solid var(--accent);
  margin:0 28px;border-radius:var(--radius);margin-top:20px;
  flex-wrap:wrap;gap:16px
}
.price-main{display:flex;align-items:baseline;gap:16px}
.price-current{font-size:2.2rem;font-weight:800;color:#fff;letter-spacing:-1px}
.price-change,.price-change-pct{font-size:1.05rem;font-weight:600}
.price-change.up,.price-change-pct.up{color:var(--green)}
.price-change.down,.price-change-pct.down{color:var(--red)}
.price-details{display:flex;flex-wrap:wrap;gap:24px}
.price-item{display:flex;flex-direction:column;align-items:center;min-width:72px}
.price-label{font-size:0.72rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:2px;letter-spacing:0.5px}
.price-value{font-size:0.92rem;font-weight:600;color:var(--text-secondary)}
.price-value.high{color:var(--green)}
.price-value.low{color:var(--red)}

/* ---- 时间周期 ---- */
.timeframe-bar{
  display:flex;align-items:center;gap:8px;padding:16px 28px;flex-wrap:wrap
}
.timeframe-label{font-size:0.82rem;color:var(--text-muted);margin-right:6px}
.tf-btn{
  padding:6px 16px;border:1px solid var(--border);background:var(--bg-surface);
  color:var(--text-muted);cursor:pointer;border-radius:20px;
  font-size:0.82rem;font-weight:500;transition:all var(--transition)
}
.tf-btn:hover{border-color:var(--border-light);color:var(--text-secondary);background:var(--bg-card)}
.tf-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.ma-toggles{
  display:flex;gap:14px;margin-left:auto;padding-left:16px;
  border-left:1px solid var(--border)
}
.ma-toggle{
  display:flex;align-items:center;gap:4px;font-size:0.8rem;
  color:var(--text-muted);cursor:pointer;white-space:nowrap
}
.ma-toggle input{accent-color:var(--accent);cursor:pointer}

/* ---- 图表容器 ---- */
.chart-container{
  margin:0 28px 8px;height:480px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden
}
.chart-volume{height:160px}

/* ---- 统计卡片 ---- */
.stats-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 28px
}
.stat-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;text-align:center;
  transition:all var(--transition)
}
.stat-card:hover{border-color:var(--border-light);background:var(--bg-card-hover)}
.stat-card-label{
  font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;
  margin-bottom:6px;letter-spacing:0.5px
}
.stat-card-value{font-size:1.2rem;font-weight:700;color:var(--text)}
.stat-card-value.high{color:var(--green)}
.stat-card-value.low{color:var(--red)}
.stat-card-date{font-size:0.75rem;color:var(--text-muted);margin-top:4px}

/* ---- 成分股 ---- */
.constituents-section{margin:28px 28px}
.section-heading{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:14px;padding-left:4px}
.constituents-table-wrap{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow-x:auto
}
.constituents-table{width:100%;border-collapse:collapse;font-size:0.88rem}
.constituents-table thead th{
  text-align:left;padding:12px 16px;background:var(--bg-surface);
  color:var(--text-muted);font-weight:600;font-size:0.78rem;
  text-transform:uppercase;letter-spacing:0.5px;border-bottom:1px solid var(--border);
  white-space:nowrap
}
.constituents-table tbody td{
  padding:10px 16px;border-bottom:1px solid var(--border);
  color:var(--text-secondary);white-space:nowrap
}
.constituents-table tbody tr:hover{background:var(--bg-card-hover)}
.constituents-table tbody tr:last-child td{border-bottom:none}
.ct-ticker{font-weight:700;color:var(--accent-hover)}
.constituents-table .up{color:var(--green);font-weight:600}
.constituents-table .down{color:var(--red);font-weight:600}

/* ---- 看板页脚 ---- */
.dash-footer{
  text-align:center;padding:24px;color:var(--text-muted);
  font-size:0.8rem;border-top:1px solid var(--border);
  margin:20px 28px 0
}
.dash-footer p{margin:3px 0}

/* ================================================================
   响应式
   ================================================================ */
@media (max-width: 900px){
  .compare-visuals{grid-template-columns:1fr}
  .compare-radar{height:360px}
  .compare-highlights{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto}
  .hero-tickers{grid-template-columns:1fr;max-width:400px}
  .cards-row{grid-template-columns:1fr;max-width:500px;margin:0 auto}
  .detail-layout{grid-template-columns:1fr}
  .detail-visual{flex-direction:row;flex-wrap:wrap;position:static}
  .stat-box{flex:1;min-width:120px}
  .price-strip{flex-direction:column;align-items:flex-start;margin:0 16px}
  .price-details{gap:12px}
  .price-item{min-width:55px}
  .price-current{font-size:1.6rem}
  .stats-grid{grid-template-columns:repeat(2,1fr);margin:16px}
  .chart-container{height:350px;margin:0 16px 6px}
  .index-tabs{padding:16px 16px 0}
  .index-tab{padding:10px 14px}
  .tab-name{font-size:0.85rem}
  .timeframe-bar{padding:12px 16px}
}

@media (max-width: 768px){
  .navbar{backdrop-filter:none;background:var(--bg-surface)}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:60px;left:0;right:0;
    background:var(--bg-surface);border-bottom:1px solid var(--border);
    padding:12px 20px;gap:4px
  }
  .nav-toggle{display:block}
  .section{padding:64px 0}
  .container{padding:0 18px}
  .section-title{font-size:1.5rem}
  .step{flex-direction:column;gap:10px}
  .dow-companies span{font-size:0.75rem;padding:3px 10px}
  .term-flip-grid{grid-template-columns:1fr}
  .stepper-line{width:24px}
  .calc-row{flex-direction:column;align-items:stretch;gap:8px}
  .calc-label{width:auto}
  .myth-buster-grid{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto}
  .pq-opt{min-width:80px;padding:10px 12px;font-size:0.8rem}
  .fact-rotator{height:150px}
}

@media (max-width: 600px){
  .compare-visuals{grid-template-columns:1fr}
  .compare-radar{height:300px}
  .compare-bar-name{width:52px;font-size:0.72rem}
  .compare-bar-value{width:36px;font-size:0.72rem}
  .dash-header{padding:10px 16px}
  .dash-header-left{gap:10px}
  .dash-title{font-size:0.95rem}
  .index-tabs{flex-direction:column;gap:4px;padding:12px 12px 0}
  .index-tab{max-width:none;border-radius:var(--radius-sm);border-bottom:1px solid var(--border)}
  .index-tab.active{border-radius:var(--radius-sm);border-bottom:1px solid var(--accent)}
  .price-strip{padding:14px 16px;margin:0 12px}
  .ma-toggles{margin-left:0;padding-left:0;border-left:none;width:100%;margin-top:8px}
  .stats-grid{grid-template-columns:1fr;margin:12px}
  .chart-container{height:280px;margin:0 8px 4px}
  .chart-volume{height:120px}
  .constituents-section{margin:20px 12px}
  .dash-footer{margin:16px 12px 0}
  .hero{min-height:auto;padding:100px 18px 60px}
  .hero-title{font-size:1.8rem}
  .detail-visual{flex-direction:column}
  .stat-box{min-width:auto}
  .compare-table td,.compare-table th{padding:8px 12px;font-size:0.8rem}
  .section-title{font-size:1.3rem}
}

/* ================================================================
   新手入门选择弹窗 (暗色主题)
   ================================================================ */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.65);
  z-index:2000;display:flex;align-items:center;justify-content:center;
  animation:fadeIn 0.25s ease;backdrop-filter:blur(4px)
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-container{
  background:var(--bg-card);border-radius:var(--radius);padding:36px 32px;
  max-width:560px;width:90vw;border:1px solid var(--border-light);
  box-shadow:var(--shadow-lg);position:relative;
  animation:scaleIn 0.25s ease
}
@keyframes scaleIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}
.modal-close{
  position:absolute;top:14px;right:14px;width:34px;height:34px;
  border:none;background:var(--bg-surface);border-radius:50%;
  font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);border:1px solid var(--border);
  transition:background var(--transition),color var(--transition),border-color var(--transition)
}
.modal-close:hover{background:var(--bg-card-hover);color:var(--text);border-color:var(--border-light)}
.modal-title{font-size:1.4rem;text-align:center;margin-bottom:8px;color:var(--text);font-weight:700}
.modal-desc{text-align:center;color:var(--text-secondary);font-size:0.9rem;margin-bottom:28px}
.modal-options{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.modal-option-card{
  background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:28px 22px;text-align:center;cursor:pointer;position:relative;
  transition:background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)
}
.modal-option-card:hover{
  border-color:var(--accent);background:var(--accent-dim);
  transform:translateY(-3px);box-shadow:var(--shadow-md)
}
.modal-option-icon{font-size:2.4rem;margin-bottom:12px;display:block}
.modal-option-card h3{font-size:1.05rem;margin-bottom:8px;color:var(--text);font-weight:600}
.modal-option-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.5}
.modal-option-badge{
  display:inline-block;margin-top:12px;padding:4px 14px;
  background:rgba(245,158,11,0.15);color:var(--yellow);
  border-radius:12px;font-size:0.78rem;font-weight:600;
  border:1px solid rgba(245,158,11,0.25)
}

/* ================================================================
   教学页面 (teaching.html) — 暗色主题
   ================================================================ */
.teaching-page{background:var(--bg);color:var(--text);min-height:100vh}

.teaching-hero{
  text-align:center;padding:100px 24px 56px;
  background:var(--bg-surface);border-bottom:1px solid var(--border);
  position:relative;overflow:hidden
}
.teaching-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 500px 300px at 50% 50%,rgba(59,130,246,0.06) 0%,transparent 60%);
  pointer-events:none
}
.teaching-hero h1{
  font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;color:var(--text);
  letter-spacing:-0.02em;position:relative;z-index:1
}
.teaching-hero .hero-subtitle{
  color:var(--text-secondary);font-size:1rem;margin-top:10px;position:relative;z-index:1
}

.teaching-body{max-width:860px;margin:0 auto;padding:48px 24px 64px}

.teaching-section{margin-bottom:44px}
.teaching-section > h3{
  font-size:1.35rem;font-weight:700;color:var(--text);margin-bottom:18px;
  display:flex;align-items:center;gap:10px
}
.teaching-section > h3::after{
  content:"";flex:1;height:1px;background:var(--border)
}

.teaching-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;transition:border-color var(--transition)
}
.teaching-card:hover{border-color:var(--border-light)}
.teaching-card > p{
  font-size:0.95rem;color:var(--text-secondary);line-height:1.85;margin-bottom:14px
}
.teaching-card > p:last-child{margin-bottom:0}
.teaching-card strong{color:var(--text)}

.teaching-card-icon{font-size:1.8rem;margin-bottom:8px;display:block}

.teaching-card h4{font-size:1.05rem;margin-bottom:8px;color:var(--text);font-weight:600}

.teaching-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px
}
.teaching-grid .teaching-card{border-left:3px solid var(--accent)}

.teaching-tip{
  margin-top:14px;padding:12px 16px;background:rgba(245,158,11,0.08);
  border:1px solid rgba(245,158,11,0.2);border-radius:var(--radius-sm);
  font-size:0.88rem;color:var(--yellow);line-height:1.6
}
.teaching-tip strong{color:var(--yellow)}

.teaching-list{
  padding-left:20px;font-size:0.92rem;color:var(--text-secondary);line-height:1.9
}
.teaching-list li{margin-bottom:8px}
.teaching-list li strong{color:var(--text)}

/* K线图可视化 */
.kline-demo{
  display:flex;gap:56px;justify-content:center;margin:28px 0;flex-wrap:wrap
}
.kline-bull,.kline-bear{text-align:center}
.kline-label{font-weight:700;font-size:1rem;margin-bottom:14px}
.kline-label.bull{color:var(--red)}
.kline-label.bear{color:var(--green)}
.kline-visual{
  display:flex;flex-direction:column;align-items:center;margin-bottom:14px
}
.kline-visual.bull .kline-body{
  width:28px;height:56px;background:var(--red);border-radius:3px
}
.kline-visual.bear .kline-body{
  width:28px;height:56px;background:var(--green);border-radius:3px
}
.kline-wick{width:2px;height:22px;background:var(--text-muted)}
.kline-wick-bottom{width:2px;height:22px;background:var(--text-muted)}
.kline-prices{
  display:flex;flex-direction:column;gap:5px;
  font-size:0.82rem;color:var(--text-muted)
}

/* 公式框 */
.formula-box{
  margin:14px 0;padding:14px 20px;
  background:var(--accent-dim);border:1px solid rgba(59,130,246,0.2);
  border-left:3px solid var(--accent);border-radius:var(--radius-xs)
}
.formula{
  font-size:0.95rem;font-weight:600;color:var(--accent-hover);
  text-align:center;font-family:"SF Mono","Fira Code","Consolas",monospace
}

/* MA5/MA10 */
.ma-demo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}
.ma-item{background:var(--bg-surface);border-radius:var(--radius-sm);padding:22px;border:1px solid var(--border)}
.ma-badge{
  display:inline-block;padding:5px 16px;border-radius:18px;
  font-size:0.85rem;font-weight:700;color:#fff;margin-bottom:14px
}
.ma-badge.ma5{background:var(--accent)}
.ma-badge.ma10{background:var(--purple)}
.ma-item h4{margin-bottom:8px;font-size:1rem;color:var(--text)}
.ma-item p{font-size:0.9rem;color:var(--text-secondary);line-height:1.7}

.teaching-subsection{margin-top:24px}
.teaching-subsection > h4{font-size:1.1rem;margin-bottom:14px;color:var(--text);font-weight:600}

/* 交易信号 */
.signal-bull{border-left-color:var(--red) !important}
.signal-bear{border-left-color:var(--green) !important}
.signal-bull h4{color:var(--red)}
.signal-bear h4{color:var(--green)}

/* 教学步骤 */
.teaching-steps{padding-left:24px}
.teaching-steps li{
  margin-bottom:18px;font-size:0.95rem;color:var(--text);position:relative;padding-left:4px
}
.teaching-steps li strong{color:var(--accent-hover)}
.teaching-steps li p{
  font-size:0.88rem;color:var(--text-secondary);margin-top:4px;line-height:1.6
}

/* 教学页 Footer */
.teaching-footer{text-align:center;margin:48px 0 20px}
.teaching-footer .btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;text-decoration:none;
  padding:14px 36px;border-radius:30px;font-weight:600;font-size:1rem;
  box-shadow:0 4px 20px rgba(59,130,246,0.3);border:none;cursor:pointer;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition)
}
.teaching-footer .btn-primary:hover{
  background:var(--accent-hover);transform:translateY(-2px);
  box-shadow:0 6px 28px rgba(59,130,246,0.4);color:#fff
}

.btn-back-teaching{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-muted);text-decoration:none;font-size:0.9rem;
  padding:8px 18px;border:1px solid var(--border);border-radius:20px;
  margin-bottom:24px;
  transition:background var(--transition),color var(--transition),border-color var(--transition)
}
.btn-back-teaching:hover{color:var(--text);border-color:var(--border-light);background:var(--bg-card)}

/* 教学页 SVG 可视化图表 */
.visual-chart{
  margin:24px 0;padding:20px;
  background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);text-align:center;overflow-x:auto
}
.visual-chart svg{max-width:100%;height:auto}
.visual-chart-caption{
  margin-top:12px;font-size:0.82rem;color:var(--text-muted);text-align:center
}

/* 价格阶梯图 */
.price-ladder{display:flex;justify-content:center;gap:28px;margin:24px 0;flex-wrap:wrap}
.price-ladder-col{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:16px 20px;background:var(--bg-surface);border-radius:var(--radius-sm);
  border:1px solid var(--border);min-width:120px
}
.price-ladder-col .pl-price{font-size:1.3rem;font-weight:700;color:var(--text)}
.price-ladder-col .pl-label{font-size:0.78rem;color:var(--text-muted)}
.price-ladder-col .pl-arrow{font-size:1.2rem}
.price-ladder-col.highlight{border-color:var(--accent);background:var(--accent-dim)}

/* 成交量对比可视化 */
.volume-viz-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.volume-viz-card{
  background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:18px;text-align:center;
  transition:all var(--transition)
}
.volume-viz-card:hover{border-color:var(--border-light)}

/* MA 交叉动画图表 */
.ma-cross-chart{margin:20px 0}
.ma-cross-legend{display:flex;justify-content:center;gap:24px;margin-top:12px;flex-wrap:wrap}
.ma-cross-legend-item{display:flex;align-items:center;gap:6px;font-size:0.82rem;color:var(--text-secondary)}
.ma-cross-legend-dot{width:12px;height:3px;border-radius:2px}
.ma-cross-legend-dot.ma5-dot{background:var(--accent)}
.ma-cross-legend-dot.ma10-dot{background:var(--purple)}
.ma-cross-legend-dot.price-dot{background:var(--text-muted);height:2px;border-radius:1px;width:12px}

/* K线形态图 */
.pattern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}
.pattern-card{
  background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:18px 14px;text-align:center;
  transition:all var(--transition)
}
.pattern-card:hover{border-color:var(--border-light);transform:translateY(-2px)}
.pattern-card .pattern-icon{font-size:2rem;margin-bottom:6px}
.pattern-card .pattern-name{font-weight:600;color:var(--text);font-size:0.9rem;margin-bottom:4px}
.pattern-card .pattern-desc{font-size:0.8rem;color:var(--text-muted);line-height:1.5}

/* 趋势示意图 */
.trend-row{display:flex;gap:20px;margin:20px 0;justify-content:center;flex-wrap:wrap}
.trend-box{
  flex:1;min-width:180px;max-width:280px;text-align:center;
  background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:18px
}
.trend-box h4{font-size:0.95rem;margin:10px 0 6px;color:var(--text)}

/* 教学页响应式 */
@media (max-width:768px){
  .modal-options{grid-template-columns:1fr}
  .modal-container{padding:24px 20px}
  .teaching-grid{grid-template-columns:1fr}
  .ma-demo{grid-template-columns:1fr}
  .kline-demo{gap:32px}
  .teaching-hero{padding:80px 18px 40px}
  .teaching-body{padding:32px 18px 48px}
  .price-ladder{flex-direction:column;align-items:center}
  .volume-viz-grid{grid-template-columns:1fr}
  .pattern-grid{grid-template-columns:1fr}
  .trend-row{flex-direction:column;align-items:center}
  #cookieBanner{padding:16px 18px}
  .cookie-banner-container{flex-direction:column;gap:14px}
  .cookie-banner-btns{flex-direction:column;width:100%}
  .cookie-btn{width:100%}
}

/* ================================================================
   GDPR Cookie Consent Banner
   ================================================================ */
#cookieBanner{
  position:fixed;bottom:0;left:0;right:0;z-index:3000;
  background:var(--bg-card);border-top:1px solid var(--border-light);
  box-shadow:0 -4px 24px rgba(0,0,0,0.4);padding:20px 24px;
  display:none;animation:cookieSlideUp 0.4s ease;
  transition:opacity 0.3s ease,transform 0.3s ease
}
@keyframes cookieSlideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.cookie-banner-container{
  max-width:1100px;margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;gap:24px
}
.cookie-banner-text{flex:1;min-width:0}
.cookie-banner-text strong{color:var(--text);font-size:0.95rem;display:block;margin-bottom:4px}
.cookie-banner-text p{color:var(--text-secondary);font-size:0.84rem;line-height:1.6;margin:0}
.cookie-link{color:var(--accent-hover);font-size:0.82rem;text-decoration:underline}
.cookie-link:hover{color:var(--accent)}
.cookie-banner-btns{display:flex;gap:10px;flex-shrink:0}
.cookie-btn{
  padding:10px 22px;border-radius:22px;font-size:0.85rem;font-weight:600;
  cursor:pointer;transition:all var(--transition);white-space:nowrap
}
.cookie-btn-accept{
  background:var(--accent);color:#fff;border:none;
  box-shadow:0 2px 12px rgba(59,130,246,0.3)
}
.cookie-btn-accept:hover{background:var(--accent-hover);box-shadow:0 4px 18px rgba(59,130,246,0.4)}
.cookie-btn-settings{
  background:transparent;color:var(--text-secondary);border:1px solid var(--border)
}
.cookie-btn-settings:hover{color:var(--text);border-color:var(--border-light);background:var(--bg-card-hover)}

/* ================================================================
   投资小学堂 — 模拟交易 (dark theme)
   ================================================================ */
.invest-page{background:var(--bg);min-height:100vh}

/* 顶部资产栏 */
.invest-topbar{
  background:var(--bg-surface);border-bottom:1px solid var(--border);
  padding:20px 24px;margin-top:60px
}
.invest-topbar-inner{
  max-width:1120px;margin:0 auto;display:grid;
  grid-template-columns:repeat(4,1fr);gap:16px;text-align:center
}
.invest-balance-item{display:flex;flex-direction:column;gap:4px}
.inv-label{font-size:0.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.inv-value{font-size:1.5rem;font-weight:700;color:var(--text)}
.inv-value.highlight{color:var(--accent-hover)}
.inv-value.price-up{color:var(--green)}
.inv-value.price-down{color:var(--red)}

/* 主布局 */
.invest-main{
  max-width:1120px;margin:0 auto;padding:24px;
  display:grid;grid-template-columns:1fr 380px;gap:24px;align-items:start
}

/* 通用区块 */
.invest-section{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:20px;overflow:hidden
}
.invest-section-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border)
}
.invest-section-header h3{font-size:1rem;font-weight:600;color:var(--text)}
.invest-section-title{font-size:1rem;font-weight:600;color:var(--text);padding:18px 20px;border-bottom:1px solid var(--border)}
.invest-search{
  padding:8px 14px;border:1px solid var(--border);border-radius:20px;
  background:var(--bg-surface);color:var(--text);font-size:0.85rem;
  width:200px;transition:border-color var(--transition)
}
.invest-search:focus{outline:none;border-color:var(--accent)}
.invest-search::placeholder{color:var(--text-muted)}

/* 表格 */
.invest-table-wrap{overflow-x:auto}
.invest-table{width:100%;border-collapse:collapse;font-size:0.88rem}
.invest-table thead th{
  padding:12px 16px;text-align:left;background:var(--bg-surface);
  color:var(--text-muted);font-weight:600;font-size:0.78rem;
  text-transform:uppercase;letter-spacing:0.3px;border-bottom:1px solid var(--border);
  white-space:nowrap
}
.invest-table tbody td{
  padding:11px 16px;border-bottom:1px solid var(--border);
  color:var(--text-secondary);white-space:nowrap
}
.invest-table tbody tr:last-child td{border-bottom:none}
.invest-table tbody tr:hover{background:var(--bg-card-hover)}

.stock-row-click{cursor:pointer;transition:background var(--transition)}
.price-up{color:var(--green);font-weight:600}
.price-down{color:var(--red);font-weight:600}
.sector-tag{
  display:inline-block;font-size:0.7rem;background:var(--bg-surface);
  color:var(--text-muted);padding:2px 8px;border-radius:10px;margin-left:6px;
  border:1px solid var(--border)
}
.empty-cell{text-align:center;padding:32px 16px;color:var(--text-muted);font-size:0.88rem}

.btn-trade-sm{
  padding:5px 14px;border:1px solid var(--accent);background:transparent;
  color:var(--accent-hover);border-radius:14px;font-size:0.8rem;font-weight:600;
  cursor:pointer;transition:all var(--transition)
}
.btn-trade-sm:hover{background:var(--accent);color:#fff}
.invest-btn-close{
  width:28px;height:28px;border:none;background:var(--bg-surface);
  border-radius:50%;font-size:0.85rem;cursor:pointer;color:var(--text-muted);
  display:flex;align-items:center;justify-content:center;transition:all var(--transition);
  border:1px solid var(--border)
}
.invest-btn-close:hover{color:var(--text);border-color:var(--border-light)}

/* 交易面板 */
.trade-tabs{display:flex;gap:0;border-bottom:1px solid var(--border)}
.trade-tab{
  flex:1;padding:12px;border:none;background:transparent;
  color:var(--text-muted);font-size:0.9rem;font-weight:600;
  cursor:pointer;transition:all var(--transition);
  border-bottom:2px solid transparent
}
.trade-tab:hover{color:var(--text)}
.trade-tab.active{color:var(--accent-hover);border-bottom-color:var(--accent)}
.trade-form{padding:20px;display:flex;flex-direction:column;gap:16px}
.form-row{display:flex;flex-direction:column;gap:5px}
.form-row label{font-size:0.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.3px}
.form-stock-display{
  padding:10px 14px;background:var(--bg-surface);border-radius:var(--radius-xs);
  font-size:0.92rem;font-weight:600;color:var(--text);border:1px solid var(--border)
}
.form-price-display{
  padding:10px 14px;background:var(--bg-surface);border-radius:var(--radius-xs);
  font-size:1rem;font-weight:600;color:var(--text);border:1px solid var(--border)
}
.form-price-display.highlight{background:var(--accent-dim);color:var(--accent-hover);font-size:1.15rem}
.invest-input{
  padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-xs);
  background:var(--bg-surface);color:var(--text);font-size:0.92rem;transition:border-color var(--transition)
}
.invest-input:focus{outline:none;border-color:var(--accent)}
.form-hint{font-size:0.75rem;color:var(--text-muted)}

.invest-btn-primary{
  padding:12px;border:none;border-radius:var(--radius-xs);font-size:0.95rem;
  font-weight:600;cursor:pointer;background:var(--accent);color:#fff;
  transition:all var(--transition);box-shadow:0 2px 12px rgba(59,130,246,0.3)
}
.invest-btn-primary:hover{background:var(--accent-hover);box-shadow:0 4px 20px rgba(59,130,246,0.4)}
.invest-btn-primary.btn-sell{background:var(--red);box-shadow:0 2px 12px rgba(239,68,68,0.3)}
.invest-btn-primary.btn-sell:hover{background:#dc2626}

/* 交易记录 */
.trade-history-list{max-height:400px;overflow-y:auto}
.history-item{
  padding:14px 20px;border-bottom:1px solid var(--border);
  font-size:0.85rem;color:var(--text-secondary);line-height:1.6
}
.history-item:last-child{border-bottom:none}
.history-date{font-size:0.75rem;color:var(--text-muted);margin-top:4px}
.trade-tag{display:inline-block;padding:2px 10px;border-radius:8px;font-size:0.72rem;font-weight:600;margin-right:6px}
.trade-tag.tag-buy{background:rgba(239,68,68,0.12);color:var(--red)}
.trade-tag.tag-sell{background:rgba(16,185,129,0.12);color:var(--green)}

.invest-btn-reset{
  padding:10px 24px;border:1px solid var(--border);background:var(--bg-card);
  color:var(--text-muted);font-size:0.85rem;border-radius:20px;
  cursor:pointer;transition:all var(--transition)
}
.invest-btn-reset:hover{border-color:var(--red);color:var(--red)}

/* Toast */
.invest-toast{
  position:fixed;top:80px;left:50%;transform:translateX(-50%);
  padding:12px 26px;border-radius:10px;font-size:0.9rem;font-weight:600;
  z-index:4000;box-shadow:0 4px 16px rgba(0,0,0,0.4);animation:toastIn 0.3s ease;
  transition:opacity 0.3s ease,transform 0.3s ease
}
.invest-toast.out{opacity:0;transform:translateX(-50%) translateY(-10px)}
.invest-toast-success{background:var(--green);color:#fff}
.invest-toast-error{background:var(--red);color:#fff}
.invest-toast-info{background:var(--accent);color:#fff}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(-12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* 响应式 */
@media (max-width:900px){
  .invest-main{grid-template-columns:1fr}
  .invest-topbar-inner{grid-template-columns:repeat(2,1fr);gap:12px}
  .inv-value{font-size:1.2rem}
}
@media (max-width:600px){
  .invest-topbar-inner{grid-template-columns:1fr 1fr}
  .invest-main{padding:16px}
  .invest-section-header{flex-direction:column;gap:10px;align-items:stretch}
  .invest-search{width:100%}
  .invest-table thead th,.invest-table tbody td{padding:8px 10px;font-size:0.78rem}
}

/* ================================================================
   投资小学堂 — 使用教程
   ================================================================ */
.tutorial-wrapper{
  max-width:1120px;margin:0 auto;padding:0 24px
}
.tutorial-toggle-bar{text-align:center;margin-bottom:8px}
.tutorial-toggle-btn{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);
  color:var(--text);font-size:0.95rem;font-weight:600;cursor:pointer;
  padding:14px 28px;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  transition:all var(--transition)
}
.tutorial-toggle-btn:hover{border-color:var(--accent);color:var(--accent-hover);background:var(--accent-dim)}
.tutorial-arrow{font-size:0.75rem;color:var(--text-muted);transition:transform 0.3s ease}
.tutorial-wrapper.open .tutorial-arrow{transform:rotate(180deg)}
.tutorial-wrapper.open .tutorial-toggle-btn{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom-color:transparent}

.tutorial-body{
  background:var(--bg-card);border:1px solid var(--border);border-top:none;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);padding:0 28px 24px;
  max-height:0;overflow:hidden;transition:max-height 0.5s cubic-bezier(0.4,0,0.2,1),padding 0.5s ease
}
.tutorial-wrapper.open .tutorial-body{max-height:2000px;padding:8px 28px 24px}

.tutorial-steps{display:flex;flex-direction:column;gap:0}
.tut-step{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--border);align-items:flex-start}
.tut-step:last-child{border-bottom:none}
.tut-step-num{
  flex-shrink:0;width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--purple));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.1rem;box-shadow:0 3px 10px rgba(59,130,246,0.3)
}
.tut-step-content{flex:1}
.tut-step-content h4{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px}
.tut-step-content p{font-size:0.9rem;color:var(--text-secondary);line-height:1.75}
.tut-step-content strong{color:var(--text)}
.tut-highlight{
  margin-top:10px;padding:10px 16px;background:var(--accent-dim);
  border:1px solid rgba(59,130,246,0.2);border-radius:var(--radius-xs);
  font-size:0.85rem;color:var(--accent-hover);line-height:1.6
}

.tut-close-btn{
  padding:8px 24px;border:1px solid var(--border);background:var(--bg-surface);
  color:var(--text-muted);font-size:0.85rem;border-radius:20px;
  cursor:pointer;transition:all var(--transition)
}
.tut-close-btn:hover{color:var(--text);border-color:var(--border-light)}

@media (max-width:768px){
  .tutorial-body{padding:0 18px 18px}
  .tutorial-wrapper.open .tutorial-body{padding:8px 18px 18px}
  .tut-step{gap:12px}
  .tut-step-num{width:36px;height:36px;font-size:0.95rem}
}