/* ============================================
   AI量化交易 · 宣传网站样式
   暖色调：暖黑底 #1a120a + 琥珀金 #ffb300 + 财富金 #ffd54d + 行动橙红
   高转化营销风格：金橙红行动色 + 脉冲/流光动效
   ============================================ */
:root{
  --bg:#1a120a;
  --bg-card:rgba(255,255,255,0.04);
  --bg-card-hover:rgba(255,255,255,0.07);
  --border:rgba(255,255,255,0.10);
  --text:#f5ead6;
  --text-dim:#b3a58f;
  --accent:#ffb300;
  --gold:#ffd54d;
  --gold-deep:#ffb300;
  --up:#ff4d4f;
  --down:#00e676;
  --action:#ff6b35;
  --orange:#ff8c1a;
  --grad:linear-gradient(135deg,#ffb300,#ff6b35);
  --grad-action:linear-gradient(135deg,#ffb300,#ff8c1a 45%,#ff4d4f);
  --grad-gold:linear-gradient(135deg,#ffe14d,#ffb300);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none;}
img{max-width:100%;}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);}
h3{font-size:1.1rem;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;
  padding:10px 22px;
  border-radius:8px;
  font-weight:600;
  font-size:0.95rem;
  cursor:pointer;
  transition:all .25s;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--grad-action);
  color:#1a0a00;
  font-weight:700;
  box-shadow:0 4px 20px rgba(255,122,26,.35);
  position:relative;
  overflow:hidden;
  animation:btnPulse 2s ease-in-out infinite;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 34px rgba(255,77,79,.5);
  animation-play-state:paused;
}
/* 按钮流光扫过 */
.btn-primary::after{
  content:"";
  position:absolute;top:0;left:-120%;
  width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);
  animation:btnShine 2.6s ease-in-out infinite;
}
.btn-ghost{
  border-color:var(--border);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);}
.btn-lg{padding:14px 32px;font-size:1.05rem;}
.btn-block{display:block;text-align:center;margin-top:16px;}
@keyframes btnPulse{
  0%,100%{box-shadow:0 4px 20px rgba(255,122,26,.35);}
  50%{box-shadow:0 4px 34px rgba(255,77,79,.6);}
}
@keyframes btnShine{
  0%{left:-120%;}
  55%{left:130%;}
  100%{left:130%;}
}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(26,18,10,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;}
.brand-mark{color:var(--accent);font-size:1.4rem;}
.brand-accent{color:var(--accent);}
.brand-slogan{
  color:var(--gold);
  font-size:0.72rem;
  font-weight:600;
  letter-spacing:1px;
  border:1px solid rgba(255,215,0,.4);
  padding:3px 10px;
  border-radius:20px;
  white-space:nowrap;
  background:rgba(255,215,0,.08);
}
.brand-ver{
  color:var(--gold);
  font-size:0.78rem;
  font-weight:700;
  border:1px solid rgba(255,215,0,.4);
  padding:1px 8px;
  border-radius:4px;
  margin-left:6px;
  vertical-align:middle;
}
.nav-links{display:flex;gap:26px;}
.nav-links a{color:var(--text-dim);font-size:0.95rem;transition:color .2s;}
.nav-links a:hover{color:var(--accent);}
.nav-cta{padding:8px 18px;font-size:0.9rem;}
.nav-cta-mobile{display:none;}

/* 汉堡按钮（移动端） */
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;
  padding:0 10px;
  background:transparent;
  border:1px solid var(--border);
  border-radius:8px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;height:2px;width:100%;
  background:var(--text);
  border-radius:2px;
  transition:all .3s;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  padding:120px 24px 60px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255,179,0,.12), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(255,107,53,.14), transparent 55%),
    radial-gradient(ellipse at 50% 100%, rgba(255,215,0,.06), transparent 60%);
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-inner{position:relative;z-index:1;max-width:900px;}
.hero-tag{
  display:inline-block;
  padding:7px 18px;
  border:1px solid rgba(255,179,0,.35);
  border-radius:30px;
  color:var(--accent);
  font-size:0.85rem;
  letter-spacing:.5px;
  background:rgba(255,179,0,.06);
  margin-bottom:28px;
}
.hero-tag b{
  color:var(--gold);
  font-weight:800;
  background:rgba(255,215,0,.12);
  padding:2px 10px;
  border-radius:4px;
  margin-right:6px;
}
.hero-title{font-size:clamp(2rem,5.5vw,3.4rem);font-weight:800;line-height:1.25;margin-bottom:22px;}
.hero-title .grad{
  background:var(--grad-gold);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{color:var(--text-dim);font-size:clamp(0.98rem,2vw,1.15rem);margin-bottom:36px;}
.hero-cta{display:flex;gap:16px;justify-content:center;margin-bottom:60px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:820px;margin:0 auto;
}
.stat{
  padding:22px 12px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.stat-num{
  font-size:2rem;font-weight:800;color:var(--accent);
  font-family:"Courier New",monospace;
}
.stat-label{color:var(--text-dim);font-size:0.85rem;margin-top:6px;}
.live-badge{
  display:inline-flex;align-items:center;gap:5px;
  color:var(--down);
  font-size:0.72rem;font-weight:700;
  border:1px solid rgba(0,230,118,.4);
  border-radius:20px;
  padding:1px 9px;
  margin-left:5px;
  vertical-align:middle;
}
.live-badge i{
  width:7px;height:7px;border-radius:50%;
  background:var(--down);
  animation:livePulse 1.2s ease-in-out infinite;
}
@keyframes livePulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(0,230,118,.5);}
  50%{opacity:.5;box-shadow:0 0 0 4px rgba(0,230,118,0);}
}

/* ---------- 通用 section ---------- */
.section{padding:90px 24px;}
.section-dark{background:rgba(255,255,255,.02);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{text-align:center;margin-bottom:52px;}
.section-head p{color:var(--text-dim);margin-top:10px;}

/* ---------- 功能卡片 ---------- */
.feature-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.feature-card{
  padding:28px 24px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .3s;
}
.feature-card:hover{
  transform:translateY(-5px);
  background:var(--bg-card-hover);
  border-color:rgba(255,179,0,.4);
  box-shadow:0 12px 32px rgba(255,179,0,.08);
}
.feature-icon{font-size:2rem;margin-bottom:14px;}
.feature-card h3{margin-bottom:10px;color:#fff;}
.feature-card p{color:var(--text-dim);font-size:0.9rem;}

/* ---------- 驾驶舱 ---------- */
.dash-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px;
}
.dash-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
}
.dash-title{font-size:0.95rem;font-weight:600;margin-bottom:14px;color:#fff;}
.chart{width:100%;height:280px;}

/* 涨停榜 */
.zt-list{display:flex;flex-direction:column;gap:8px;}
.zt-row{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;
  background:rgba(255,255,255,.03);
  border-radius:8px;
  font-size:0.88rem;
}
.zt-rank{color:var(--gold);font-weight:700;width:18px;}
.zt-name{flex:1;}
.zt-code{color:var(--text-dim);font-family:"Courier New",monospace;}
.zt-tag{
  padding:2px 9px;border-radius:4px;font-size:0.75rem;font-weight:600;
}
.zt-tag.up{background:rgba(255,77,79,.15);color:var(--up);}

/* 板块 */
.sector-list{display:flex;flex-direction:column;gap:12px;padding-top:6px;}
.sector-row{display:flex;align-items:center;gap:10px;font-size:0.88rem;}
.sector-name{width:80px;color:#fff;}
.sector-bar{flex:1;height:8px;background:rgba(255,255,255,.06);border-radius:4px;overflow:hidden;}
.sector-bar i{display:block;height:100%;background:var(--grad);border-radius:4px;transition:width 1s ease;}
.sector-val{font-family:"Courier New",monospace;font-weight:700;}
.sector-sub{color:var(--text-dim);font-size:0.72rem;white-space:nowrap;}
.up{color:var(--up);}
.zt-loading{color:var(--text-dim);font-size:0.85rem;padding:12px 4px;}

/* ---------- 话题榜 ---------- */
.topic-wrap{max-width:1200px;margin:52px auto 0;}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:14px;}
.topic-card{
  padding:18px 20px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .3s;
  position:relative;
  overflow:hidden;
}
.topic-card:hover{border-color:rgba(255,215,0,.4);transform:translateY(-3px);}
.topic-rank{
  position:absolute;top:12px;right:16px;
  font-size:1.8rem;font-weight:800;
  color:rgba(255,215,0,.15);
  font-family:"Courier New",monospace;
}
.topic-title{font-size:0.95rem;font-weight:600;color:#fff;margin-bottom:8px;padding-right:34px;line-height:1.45;}
.topic-desc{color:var(--text-dim);font-size:0.82rem;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.topic-heat{color:var(--gold);font-size:0.78rem;font-weight:600;}
.topic-stocks{color:var(--accent);font-size:0.75rem;margin-top:6px;}
.dash-foot{color:var(--text-dim);font-size:0.78rem;margin-top:18px;text-align:center;}
.dash-note{color:var(--gold);font-size:0.78rem;font-weight:400;}

/* ---------- 工作流 ---------- */
.flow{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:stretch;gap:14px;
}
.flow-step{
  flex:1;
  padding:30px 24px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  text-align:center;
  transition:all .3s;
}
.flow-step:hover{border-color:rgba(255,179,0,.4);}
.flow-num{
  display:inline-block;
  width:46px;height:46px;line-height:46px;
  border-radius:50%;
  background:var(--grad);
  color:#04121a;font-weight:800;
  font-size:1.05rem;
  margin-bottom:16px;
}
.flow-step h3{margin-bottom:8px;}
.flow-step p{color:var(--text-dim);font-size:0.86rem;}
.flow-arrow{display:flex;align-items:center;color:var(--accent);font-size:1.4rem;flex-shrink:0;}

/* ---------- 4 大能力支柱卡片 ---------- */
.pillar-grid{
  max-width:1200px;margin:0 auto 56px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.pillar-card{
  position:relative;
  padding:32px 24px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  text-align:center;
  overflow:hidden;
  transition:all .3s;
}
.pillar-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);
  opacity:0;transition:opacity .3s;
}
.pillar-card:hover{transform:translateY(-4px);border-color:rgba(255,179,0,.4);}
.pillar-card:hover::before{opacity:1;}
.pillar-icon{font-size:2.2rem;margin-bottom:12px;}
.pillar-card h3{margin-bottom:8px;color:#fff;}
.pillar-card p{color:var(--text-dim);font-size:0.88rem;}

/* ---------- 截图轮播 ---------- */
.showcase{max-width:1100px;margin:0 auto 56px;}
.showcase-viewport{
  position:relative;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  background:#150d06;
}
.showcase-slides{display:flex;transition:transform .6s ease;}
.slide{min-width:100%;position:relative;}
.slide img{
  display:block;
  width:100%;
  height:380px;
  object-fit:cover;
  object-position:center top;
  background:#0d1117;
}
.slide-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 20px;
  background:linear-gradient(to top,rgba(15,10,5,.92),transparent);
  color:#fff;
  font-size:0.95rem;font-weight:600;
  letter-spacing:.3px;
}
.slide-placeholder{
  height:380px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(255,179,0,.08), transparent 60%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,44px 44px,44px 44px;
}
.slide-icon{font-size:3rem;opacity:.7;}
.slide-placeholder p{color:var(--text-dim);font-size:0.95rem;letter-spacing:.5px;}
.showcase-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--border);
  background:rgba(26,18,10,.7);
  color:var(--text);
  font-size:1.4rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .25s;
  z-index:5;
}
.showcase-arrow:hover{background:var(--accent);color:#04121a;border-color:var(--accent);}
.showcase-arrow.prev{left:14px;}
.showcase-arrow.next{right:14px;}
.showcase-dots{
  position:absolute;bottom:14px;left:50%;transform:translateX(-50%);
  display:flex;gap:8px;z-index:5;
}
.showcase-dots span{
  width:8px;height:8px;border-radius:50%;
  background:rgba(255,255,255,.25);
  cursor:pointer;transition:all .3s;
}
.showcase-dots span.on{background:var(--accent);width:22px;border-radius:4px;}

/* ---------- 核心战法栏目 ---------- */
.zf-subhead{
  font-size:1.15rem;font-weight:700;color:#fff;
  margin:0 auto 26px;max-width:1200px;
  padding-left:14px;border-left:3px solid var(--gold);
}
.zf-subhead:not(:first-of-type){margin-top:56px;}
.zf-dims{
  max-width:1200px;margin:0 auto 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
.zf-dim{
  position:relative;
  padding:20px 18px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all .3s;
}
.zf-dim:hover{border-color:rgba(255,179,0,.4);transform:translateY(-3px);}
.zf-dim-num{
  position:absolute;top:10px;right:14px;
  font-size:1.7rem;font-weight:800;
  color:rgba(255,179,0,.14);
  font-family:"Courier New",monospace;
}
.zf-dim h4{color:var(--accent);font-size:0.95rem;margin-bottom:8px;}
.zf-dim p{color:var(--text-dim);font-size:0.82rem;line-height:1.55;}
.zf-multiply{
  max-width:1200px;margin:0 auto 0;
  display:flex;align-items:center;gap:20px;
  padding:20px 26px;
  background:linear-gradient(135deg, rgba(255,215,0,.06), rgba(255,152,0,.05));
  border:1px solid rgba(255,215,0,.3);
  border-radius:var(--radius);
}
.zf-multiply-tag{
  flex-shrink:0;
  padding:8px 18px;
  border-radius:30px;
  background:var(--gold);
  color:#1a1a00;font-weight:800;font-size:0.9rem;
}
.zf-multiply-text{color:var(--text-dim);font-size:0.92rem;line-height:1.6;}
.zf-multiply-text .hl{color:var(--gold);font-weight:800;font-size:1.05rem;}
.zf-checks{display:flex;flex-direction:column;gap:10px;margin-bottom:14px;}
.zf-check{
  display:flex;align-items:center;gap:10px;
  color:var(--text);
  font-size:0.88rem;
  padding:7px 12px;
  background:rgba(255,255,255,.03);
  border-radius:6px;
}
.zf-check .chk{
  color:var(--down);font-weight:800;font-size:0.95rem;
}
.zf-note{color:var(--text-dim);font-size:0.8rem;line-height:1.6;margin-top:10px;}
.zf-timing{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.timing-card{
  padding:28px 22px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  text-align:center;
  transition:all .3s;
}
.timing-card:hover{transform:translateY(-4px);}
.timing-buy:hover{border-color:var(--down);}
.timing-sell:hover{border-color:var(--up);}
.timing-icon{font-size:1.8rem;margin-bottom:8px;}
.timing-time{
  display:inline-block;
  font-family:"Courier New",monospace;
  font-size:1.3rem;font-weight:800;
  padding:4px 18px;border-radius:6px;
  margin-bottom:10px;
}
.timing-buy .timing-time{background:rgba(0,230,118,.12);color:var(--down);}
.timing-sell .timing-time{background:rgba(255,77,79,.12);color:var(--up);}
.timing-card h4{font-size:1rem;color:#fff;margin-bottom:8px;}
.timing-card p{color:var(--text-dim);font-size:0.85rem;line-height:1.6;}
.zf-koujue{
  max-width:1200px;margin:0 auto;
  padding:30px 32px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-left:3px solid var(--gold);
  border-radius:var(--radius);
  text-align:center;
}
.zf-koujue p{color:var(--text-dim);font-size:0.95rem;line-height:1.9;}
.zf-koujue .zf-koujue-core{
  color:#fff;font-weight:600;
  margin:16px 0;
  font-size:1.02rem;
}
.zf-koujue .zf-koujue-end{
  color:var(--gold);font-weight:700;font-size:1.1rem;
}
.battle-cta{
  max-width:1200px;margin:40px auto 0;
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
}

/* ---------- 战法亮点 ---------- */
.battle-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.battle-card{
  padding:30px 26px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.battle-title{font-size:1.05rem;font-weight:700;margin-bottom:20px;color:#fff;}
.dim-row{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:0.86rem;}
.dim-name{width:76px;color:var(--text-dim);text-align:right;}
.dim-bar{flex:1;height:8px;background:rgba(255,255,255,.06);border-radius:4px;overflow:hidden;}
.dim-bar i{display:block;height:100%;background:linear-gradient(90deg,#ffb300,#ff6b35);border-radius:4px;transition:width 1.2s ease;}
.tsi-formula{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:18px 0 10px;
}
.formula-line{
  padding:9px 26px;
  background:rgba(255,179,0,.07);
  border:1px solid rgba(255,179,0,.25);
  border-radius:8px;
  font-family:"Courier New",monospace;
  font-weight:600;
  color:var(--accent);
  font-size:0.95rem;
}
.formula-op{color:var(--gold);font-weight:800;font-size:1.1rem;line-height:1;}
.battle-flow{
  display:flex;justify-content:center;gap:12px;margin-top:22px;flex-wrap:wrap;
}
.flow-pill{
  padding:8px 18px;
  border-radius:30px;
  background:var(--grad);
  color:#04121a;font-weight:700;font-size:0.85rem;
}

/* ---------- 技术架构图 ---------- */
.arch-flow{
  max-width:1200px;margin:0 auto 52px;
  display:flex;align-items:stretch;justify-content:center;
  gap:10px;flex-wrap:wrap;
}
.arch-node{
  flex:1;min-width:150px;max-width:200px;
  padding:22px 16px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  text-align:center;
  transition:all .3s;
}
.arch-node:hover{border-color:rgba(255,179,0,.4);transform:translateY(-3px);}
.arch-icon{font-size:1.8rem;margin-bottom:10px;}
.arch-node h3{font-size:0.98rem;margin-bottom:6px;color:#fff;}
.arch-node p{color:var(--text-dim);font-size:0.78rem;line-height:1.5;}
.arch-arrow{
  display:flex;align-items:center;
  color:var(--accent);font-size:1.3rem;
  flex-shrink:0;
}

/* ---------- 客户收益 ---------- */
.benefit-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.benefit-card{
  position:relative;
  padding:32px 24px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .3s;
  overflow:hidden;
}
.benefit-card:hover{transform:translateY(-4px);border-color:rgba(255,215,0,.4);}
.benefit-num{
  position:absolute;top:14px;right:18px;
  font-size:2.4rem;font-weight:800;
  color:rgba(255,215,0,.14);
  font-family:"Courier New",monospace;
}
.benefit-card h3{margin-bottom:10px;color:#fff;font-size:1.02rem;}
.benefit-card p{color:var(--text-dim);font-size:0.88rem;}

/* ---------- 底部 CTA ---------- */
.cta-bottom{
  max-width:860px;margin:64px auto 0;
  text-align:center;
  padding:48px 32px;
  background:linear-gradient(135deg, rgba(255,179,0,.07), rgba(255,107,53,.07));
  border:1px solid rgba(255,179,0,.25);
  border-radius:var(--radius);
}
.cta-bottom h3{font-size:1.5rem;margin-bottom:10px;color:#fff;}
.cta-bottom p{color:var(--text-dim);font-size:0.92rem;margin-bottom:22px;}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:18px;}
.cta-contact{font-size:0.85rem;margin-bottom:0;}
.cta-contact-card{
  margin-top:32px;
  display:flex;align-items:center;justify-content:center;gap:36px;
  padding:24px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--radius);
  flex-wrap:wrap;
}
.cta-qr{text-align:center;}
.cta-qr img{
  width:160px;height:160px;
  border-radius:8px;
  background:#fff;
  padding:6px;
  box-shadow:0 4px 16px rgba(0,0,0,.4);
}
.cta-qr-tip{
  margin-top:10px;
  font-size:0.8rem;
  color:var(--text-dim);
  line-height:1.5;
}
.cta-qr-service{
  margin-top:12px;
  padding:10px 12px;
  background:linear-gradient(135deg,rgba(255,179,0,.12),rgba(255,122,26,.08));
  border:1px solid rgba(255,179,0,.35);
  border-radius:8px;
  font-size:0.78rem;
  font-weight:700;
  color:var(--gold);
  line-height:1.6;
}
.cta-info{
  display:flex;flex-direction:column;gap:10px;
  text-align:left;
}
.cta-info-row{
  display:flex;align-items:center;gap:14px;
  font-size:0.95rem;
}
.cta-info-label{
  color:var(--text-dim);
  min-width:96px;
}
.cta-info-val{
  color:#fff;font-weight:600;
  font-family:"Courier New",monospace;
}
a.cta-info-val{color:var(--accent);text-decoration:none;}
a.cta-info-val:hover{text-decoration:underline;}

/* ---------- 技术 ---------- */
.tech-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.tech-item{
  padding:26px 22px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.tech-item h3{margin-bottom:8px;color:#fff;}
.tech-item p{color:var(--text-dim);font-size:0.88rem;}

/* ---------- 价格 ---------- */
.price-grid{
  max-width:1080px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  align-items:stretch;
}
.price-card{
  position:relative;
  padding:36px 28px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .3s;
}
.price-card:hover{transform:translateY(-4px);}
.price-hot{
  border:1px solid var(--accent);
  box-shadow:0 0 40px rgba(255,179,0,.12);
}
.price-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--gold);
  color:#1a1a00;
  font-size:0.75rem;font-weight:700;
  padding:4px 14px;border-radius:20px;
  white-space:nowrap;
}
.price-badge-free{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--down);
  color:#04140a;
  font-size:0.75rem;font-weight:700;
  padding:4px 14px;border-radius:20px;
  white-space:nowrap;
}
.price-card h3{text-align:center;margin-bottom:16px;}
.price{text-align:center;margin-bottom:22px;}
.price .cur{font-size:1.2rem;color:var(--text-dim);vertical-align:top;}
.price{font-size:2.8rem;font-weight:800;color:var(--gold);}
.price .unit{font-size:0.95rem;color:var(--text-dim);font-weight:400;}
.price-card ul{list-style:none;margin-bottom:8px;}
.price-card li{padding:8px 0;color:var(--text-dim);font-size:0.9rem;border-bottom:1px dashed var(--border);}
.price-card li:last-child{border-bottom:none;}
.price-note{text-align:center;color:var(--text-dim);font-size:0.82rem;margin-top:32px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
}
.faq-item summary{
  padding:18px 22px;
  cursor:pointer;
  font-weight:600;
  color:#fff;
  list-style:none;
  position:relative;
  padding-right:48px;
  transition:color .2s;
}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary::after{
  content:"+";
  position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  color:var(--accent);
  font-size:1.3rem;
  transition:transform .3s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item p{padding:0 22px 18px;color:var(--text-dim);font-size:0.9rem;}

/* ---------- 页脚 ---------- */
.footer{
  padding:56px 24px 40px;
  text-align:center;
  border-top:1px solid var(--border);
  background:#150d06;
}
.footer-brand{font-size:1.1rem;font-weight:700;margin-bottom:8px;}
.footer-brand::first-letter{color:var(--accent);}
.footer-slogan{color:var(--gold);font-size:0.85rem;font-weight:600;}
.footer-tagline{
  display:inline-block;
  color:var(--gold);
  font-size:0.78rem;
  font-weight:700;
  border:1px solid rgba(255,215,0,.4);
  padding:2px 12px;
  border-radius:20px;
  margin-bottom:14px;
  background:rgba(255,215,0,.08);
}
.footer-desc{color:var(--text-dim);font-size:0.88rem;margin-bottom:20px;}
.footer-disclaimer{color:#5a6275;font-size:0.78rem;line-height:1.8;margin-bottom:14px;}
.footer-copy{color:#3d4454;font-size:0.75rem;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .pillar-grid{grid-template-columns:repeat(2,1fr);}
  .dash-grid{grid-template-columns:1fr;}
  .tech-grid{grid-template-columns:repeat(2,1fr);}
  .benefit-grid{grid-template-columns:repeat(2,1fr);}
  .battle-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .zf-dims{grid-template-columns:repeat(2,1fr);}
  .zf-timing{grid-template-columns:1fr;}
  .arch-flow{gap:8px;}
  .flow{flex-direction:column;}
  .flow-arrow{transform:rotate(90deg);justify-content:center;}
  .nav-links{gap:16px;}
  .nav-links a{font-size:0.88rem;}
}

/* 平板竖屏及以下：导航切换为汉堡菜单 */
@media (max-width:860px){
  .nav-inner{padding:12px 16px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-links{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;
    background:rgba(26,18,10,.98);
    border-bottom:1px solid var(--border);
    padding:8px 0;
    max-height:calc(100vh - 60px);
    overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{
    display:block;
    padding:14px 24px;
    font-size:1rem;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .nav-links a:hover{background:rgba(255,179,0,.06);}
  .nav-cta-mobile{display:block;margin:10px 16px;text-align:center;color:var(--gold);font-weight:700;}
}
@media (max-width:720px){
  /* 首屏 */
  .hero{min-height:auto;padding:110px 20px 50px;}
  .hero-title{font-size:clamp(1.7rem,7.5vw,2.4rem);}
  .hero-sub{font-size:0.95rem;}
  .hero-cta{flex-direction:column;align-items:stretch;margin-bottom:40px;}
  .hero-cta .btn{width:100%;}
  .trust-badge{font-size:0.75rem;padding:6px 12px;}

  /* 区块间距 */
  .section{padding:60px 16px;}
  .section-head{margin-bottom:36px;}
  .section-head h2{font-size:1.5rem;}

  /* 网格 */
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .pillar-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .tech-grid{grid-template-columns:1fr;}
  .benefit-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .zf-dims{grid-template-columns:1fr;}
  .zf-multiply{flex-direction:column;text-align:center;}
  .cta-contact-card{flex-direction:column;gap:18px;}
  .cta-info-row{font-size:0.86rem;gap:8px;}
  .cta-info-label{min-width:80px;}
  .cta-btns{flex-direction:column;align-items:stretch;}
  .cta-btns .btn{width:100%;}
  .slide img{height:240px;}
  .slide-placeholder{height:240px;}
  .arch-node{min-width:140px;}
  .arch-arrow{transform:rotate(90deg);justify-content:center;padding:0;}
  .arch-flow{flex-direction:column;align-items:center;}
  .arch-node{max-width:none;width:100%;}
  .showcase-arrow{width:36px;height:36px;font-size:1.2rem;}

  /* 按钮 */
  .btn-lg{width:100%;text-align:center;}

  /* 收益图表 */
  .roi-chart{height:220px;}
  .roi-panel{padding:22px 18px;}

  /* 页脚 */
  .footer{padding:40px 20px 30px;}
}

/* 超小屏（iPhone SE 等） */
@media (max-width:380px){
  .hero-title{font-size:1.6rem;}
  .stat-num{font-size:1.6rem;}
  .brand-name{font-size:1rem;}
  .brand-ver{font-size:0.68rem;}
}

/*    ============================================
   营销转化组件（信任徽章 / 收益证明 / 用户见证 / 悬浮购买）
   ============================================ */

/* ---------- 信任徽章 ---------- */
.trust-badges{
  display:flex;gap:12px;justify-content:center;flex-wrap:wrap;
  margin-top:26px;
}
.trust-badge{
  display:flex;align-items:center;gap:7px;
  padding:7px 16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:30px;
  color:var(--text-dim);
  font-size:0.82rem;
}
.trust-badge .tb-ic{font-size:1rem;}
.trust-badge b{color:var(--gold);}

/* ---------- 收益证明区 ---------- */
.roi-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr;gap:24px;
}
.roi-panel{
  position:relative;
  padding:30px 28px;
  background:linear-gradient(135deg,rgba(255,77,79,.08),rgba(255,179,0,.06));
  border:1px solid rgba(255,122,26,.25);
  border-radius:var(--radius);
}
.roi-panel h3{color:#fff;margin-bottom:6px;font-size:1.1rem;}
.roi-panel .roi-note{color:var(--text-dim);font-size:0.78rem;margin-bottom:18px;}
.roi-chart{
  width:100%;height:300px;
  border-radius:10px;
  background:rgba(0,0,0,.22);
}
.roi-stats{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap;}
.roi-stat{
  flex:1;min-width:120px;
  padding:16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:10px;
  text-align:center;
}
.roi-stat .rs-num{
  font-size:1.6rem;font-weight:800;color:var(--gold);
  font-family:"Courier New",monospace;
}
.roi-stat .rs-label{color:var(--text-dim);font-size:0.78rem;margin-top:4px;}

/* ---------- 用户见证 ---------- */
.testi-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.testi-card{
  position:relative;
  padding:26px 24px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .3s;
}
.testi-card:hover{border-color:rgba(255,215,0,.4);transform:translateY(-3px);}
.testi-stars{color:var(--gold);letter-spacing:2px;font-size:0.95rem;margin-bottom:12px;}
.testi-text{color:var(--text);font-size:0.92rem;line-height:1.7;margin-bottom:16px;}
.testi-user{display:flex;align-items:center;gap:12px;}
.testi-avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--grad-gold);
  color:#1a0a00;font-weight:800;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.testi-name{font-size:0.88rem;color:#fff;font-weight:600;}
.testi-tag{font-size:0.75rem;color:var(--text-dim);}

/* ---------- 悬浮购买按钮 ---------- */
.float-buy{
  position:fixed;right:22px;bottom:26px;z-index:99;
  display:flex;align-items:center;gap:10px;
  padding:13px 22px;
  background:var(--grad-action);
  color:#1a0a00;font-weight:800;font-size:0.95rem;
  border-radius:40px;
  box-shadow:0 8px 30px rgba(255,77,79,.5);
  animation:btnPulse 2s ease-in-out infinite;
  opacity:0;transform:translateY(20px);
  transition:opacity .4s,transform .4s;
  pointer-events:none;
}
.float-buy.show{opacity:1;transform:translateY(0);pointer-events:auto;}

/* ---------- AI 分析能力 · 6 大 Agent ---------- */
.agent-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.agent-card{
  position:relative;
  padding:30px 26px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:all .3s;
  overflow:hidden;
}
.agent-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,179,0,.45);
  box-shadow:0 14px 36px rgba(255,122,26,.12);
}
.agent-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-action);
  opacity:0;transition:opacity .3s;
}
.agent-card:hover::before{opacity:1;}
.agent-num{
  position:absolute;top:16px;right:20px;
  font-size:2.6rem;font-weight:800;
  color:rgba(255,179,0,.13);
  font-family:"Courier New",monospace;
  line-height:1;
}
.agent-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.agent-icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(255,179,0,.16),rgba(255,122,26,.1));
  border:1px solid rgba(255,179,0,.3);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;flex-shrink:0;
}
.agent-name{font-size:1.05rem;font-weight:700;color:#fff;line-height:1.3;}
.agent-tag{
  display:inline-block;
  margin-bottom:10px;
  padding:2px 10px;
  background:rgba(255,179,0,.1);
  border:1px solid rgba(255,179,0,.3);
  border-radius:20px;
  color:var(--gold);
  font-size:0.72rem;font-weight:600;
}
.agent-card p{color:var(--text-dim);font-size:0.88rem;line-height:1.7;}
.agent-points{list-style:none;margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);}
.agent-points li{
  display:flex;align-items:flex-start;gap:8px;
  color:var(--text-dim);font-size:0.82rem;
  line-height:1.6;padding:3px 0;
}
.agent-points li::before{content:"✓";color:var(--gold);font-weight:800;flex-shrink:0;}

@media (max-width:1024px){
  .agent-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:720px){
  .agent-grid{grid-template-columns:1fr;}
}

/* ---------- 服务与交付 ---------- */
.service-flow{
  max-width:1200px;margin:0 auto 32px;
  display:flex;align-items:stretch;justify-content:center;
  gap:12px;flex-wrap:wrap;
}
.service-step{
  flex:1;min-width:210px;max-width:270px;
  position:relative;
  padding:32px 24px 26px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  text-align:center;
  transition:all .3s;
  overflow:hidden;
}
.service-step:hover{
  transform:translateY(-4px);
  border-color:rgba(255,179,0,.4);
  box-shadow:0 12px 32px rgba(255,122,26,.1);
}
.service-num{
  position:absolute;top:12px;right:16px;
  font-size:2.2rem;font-weight:800;
  color:rgba(255,179,0,.14);
  font-family:"Courier New",monospace;
}
.service-icon{font-size:2.1rem;margin-bottom:14px;}
.service-step h3{font-size:1rem;color:#fff;margin-bottom:10px;}
.service-step p{color:var(--text-dim);font-size:0.86rem;line-height:1.65;}
.service-arrow{
  display:flex;align-items:center;
  color:var(--gold);font-size:1.4rem;
  flex-shrink:0;
}
.service-guarantee{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:center;gap:20px;
  padding:22px 28px;
  background:linear-gradient(135deg,rgba(255,179,0,.08),rgba(255,122,26,.05));
  border:1px solid rgba(255,179,0,.3);
  border-radius:var(--radius);
  flex-wrap:wrap;
}
.sg-badge{
  flex-shrink:0;
  padding:9px 20px;
  background:var(--grad-gold);
  color:#1a0a00;font-weight:800;font-size:0.9rem;
  border-radius:30px;
  white-space:nowrap;
}
.service-guarantee p{
  color:var(--text);
  font-size:0.95rem;
  line-height:1.6;
}
.service-guarantee p b{color:var(--gold);}

@media (max-width:1024px){
  .service-flow{gap:8px;}
  .service-arrow{transform:rotate(90deg);justify-content:center;}
  .service-step{max-width:none;}
}
@media (max-width:720px){
  .service-flow{flex-direction:column;}
  .service-arrow{transform:rotate(90deg);}
}

/* ---------- 通用 CTA 强化 ---------- */
.cta-bottom{
  background:linear-gradient(135deg,rgba(255,77,79,.1),rgba(255,179,0,.08));
  border:1px solid rgba(255,122,26,.35);
}
.cta-bottom h3 .hl{color:var(--gold);}

@media (max-width:1024px){
  .roi-grid{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .roi-stats{flex-direction:column;}
  .float-buy{right:12px;bottom:14px;padding:11px 16px;font-size:0.85rem;}
}