/* =========================================================
   智策工坊 · 期货AI策略官网
   大气 SaaS 风格 · 深蓝 + 金 配色 · 大图演示
   ========================================================= */
:root{
  --navy:#0a1626;
  --navy2:#0f1f36;
  --navy3:#16294a;
  --blue:#2f6fb0;
  --gold:#c9a24b;
  --gold-light:#e8cf8a;
  --gold-soft:rgba(201,162,75,.14);
  --bg:#f5f8fc;
  --card:#ffffff;
  --text:#1c2a3a;
  --muted:#5d6d80;
  --line:#e4ebf3;
  --danger:#b3543c;
  --ok:#2fbf71;
  --radius:20px;
  --shadow:0 12px 36px rgba(10,22,38,.08);
  --shadow-lg:0 26px 70px rgba(10,22,38,.16);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;font-size:15.5px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
b,strong{color:inherit;}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,22,38,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(201,162,75,.22);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;white-space:nowrap;}
.brand .logo{width:42px;height:42px;flex:none;line-height:0;filter:drop-shadow(0 4px 12px rgba(201,162,75,.35));}
.brand .logo svg{width:100%;height:100%;display:block;}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;text-align:left;}
.brand .name{font-size:20px;font-weight:800;letter-spacing:1px;}
.brand .name em{font-style:normal;color:var(--gold-light);}
.brand .tagline{font-size:10px;color:#8fa3c2;letter-spacing:0;margin-top:3px;font-weight:400;display:block;width:100%;white-space:nowrap;text-align:justify;text-align-last:justify;overflow:hidden;}
.nav-links{display:flex;gap:2px;align-items:center;}
.nav-links a{color:#c6d2e2;font-size:14.5px;padding:9px 14px;border-radius:9px;transition:color .25s,transform .25s,letter-spacing .25s;font-weight:500;position:relative;}
.nav-links a:hover{color:#f0d68e;transform:translateY(-1px);letter-spacing:.02em;}
.nav-links a.active{color:#f0d68e;font-weight:700;}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .nav-wx{
  background:linear-gradient(160deg,#1c3356,#101f38);color:#f6e7bd;
  padding:11px 20px;border-radius:40px;font-size:14.5px;font-weight:700;
  border:1px solid rgba(201,162,75,.72);
  box-shadow:0 4px 14px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.08);
  display:inline-flex;align-items:center;gap:8px;position:relative;overflow:hidden;
}
.nav-cta .nav-wx svg{display:block;flex:none;}
.nav-cta .nav-wx::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.12),transparent);transform:skewX(-20deg);transition:left .5s;}
.nav-cta .nav-wx:hover::after{left:130%;}
.nav-cta .nav-wx:hover{transform:translateY(-1px);color:#ffeab5;border-color:var(--gold-light);box-shadow:0 8px 22px rgba(0,0,0,.38),0 0 16px rgba(201,162,75,.25);}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border:none;cursor:pointer;font-family:inherit;font-size:15px;font-weight:700;
  padding:13px 26px;border-radius:12px;transition:.22s;line-height:1.2;
}
.btn-gold{
  color:#f6e7bd;background:linear-gradient(160deg,#1c3356,#101f38);
  border:1px solid rgba(201,162,75,.72);
  box-shadow:0 8px 22px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.08),inset 0 0 0 1px rgba(201,162,75,.16);
  position:relative;overflow:hidden;
}
.btn-gold:hover{transform:translateY(-2px);color:#ffeab5;border-color:var(--gold-light);box-shadow:0 14px 30px rgba(0,0,0,.4),0 0 20px rgba(201,162,75,.28);}
.btn-gold::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.09),transparent);transform:skewX(-20deg);transition:left .5s;}
.btn-gold:hover::after{left:130%;}
.btn-blue{
  color:#fff;background:linear-gradient(160deg,#1d3556,#132544);
  border:1px solid rgba(99,161,224,.5);
  box-shadow:0 8px 22px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.07);
  position:relative;overflow:hidden;
}
.btn-blue:hover{transform:translateY(-2px);border-color:rgba(122,179,236,.7);box-shadow:0 14px 30px rgba(0,0,0,.32),0 0 16px rgba(83,146,214,.2);}
.btn-outline{background:rgba(255,255,255,.05);color:#fff;border:1.5px solid rgba(255,255,255,.4);}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-light);}
.btn-lg{padding:16px 34px;font-size:16.5px;border-radius:14px;}

/* 通用区块 */
.section{padding:96px 0;}
.section.tint{background:#fff;}
.section.dark{background:var(--navy);color:#e8eef7;}
.sec-head{text-align:center;max-width:820px;margin:0 auto 56px;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-weight:700;font-size:13px;letter-spacing:3px;margin-bottom:14px;text-transform:uppercase;}
.sec-kicker::before,.sec-kicker::after{content:"";width:26px;height:1px;background:var(--gold);opacity:.6;}
.sec-title{font-size:38px;line-height:1.25;font-weight:800;color:var(--navy);letter-spacing:.5px;}
.section.dark .sec-title{color:#fff;}
.sec-sub{color:var(--muted);margin-top:16px;font-size:17px;line-height:1.8;}
.section.dark .sec-sub{color:#9fb3cf;}

/* ---------- 首页 Hero（大气居中 + 大控制台） ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1100px 560px at 78% -12%,rgba(47,111,176,.42),transparent 60%),
    radial-gradient(900px 480px at 6% 108%,rgba(201,162,75,.20),transparent 55%),
    linear-gradient(165deg,#0a1626,#0f1f36 52%,#0a1626);
}
.hero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent);}
.hero .container{position:relative;z-index:2;padding-top:90px;padding-bottom:70px;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(201,162,75,.14);border:1px solid rgba(201,162,75,.42);
  color:var(--gold-light);font-size:13.5px;font-weight:600;padding:8px 18px;border-radius:40px;
}
.hero h1{font-size:56px;line-height:1.18;font-weight:800;margin:26px auto 20px;max-width:900px;letter-spacing:.5px;}
.hero h1 .hl{background:linear-gradient(120deg,#f0d68e,#c9a24b 60%,#e8cf8a);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .sub{font-size:18px;color:#b9cbe4;max-width:720px;margin:0 auto;}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:30px 0 36px;}
.hero-tags span{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);padding:8px 18px;border-radius:40px;font-size:14px;color:#dbe7f5;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}
.hero-note{font-size:13.5px;color:#8fa3c2;margin-top:18px;}
.hero-note .wh{color:var(--gold-light);font-weight:700;}

/* 大控制台演示面板 */
.hero-mock{position:relative;margin-top:64px;text-align:left;max-width:1180px;margin-left:auto;margin-right:auto;}
.mock{
  background:linear-gradient(180deg,#0e1f38,#0b1829);
  border:1px solid rgba(120,160,210,.28);
  border-radius:20px;overflow:hidden;box-shadow:0 40px 110px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.04) inset;
  transform:perspective(1600px) rotateX(2deg);
}
.mock-bar{display:flex;align-items:center;gap:10px;padding:13px 18px;background:rgba(10,22,38,.6);border-bottom:1px solid rgba(120,160,210,.16);}
.mock-bar .dots{display:flex;gap:7px;}
.mock-bar .dots i{width:12px;height:12px;border-radius:50%;}
.mock-bar .dots i:nth-child(1){background:#e8635c;} .mock-bar .dots i:nth-child(2){background:#f4bd4f;} .mock-bar .dots i:nth-child(3){background:#5ecb71;}
.mock-bar .url{margin-left:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:7px;padding:4px 14px;font-size:12.5px;color:#9fb3cf;}
.mock-bar .url em{font-style:normal;color:var(--gold-light);}
.mock-body{padding:22px;display:grid;gap:20px;}
.mock-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.mock-kpi{background:rgba(255,255,255,.045);border:1px solid rgba(120,160,210,.16);border-radius:14px;padding:16px 18px;}
.mock-kpi .k{font-size:12.5px;color:#8fa3c2;}
.mock-kpi .v{font-size:26px;font-weight:800;color:#fff;margin-top:6px;}
.mock-kpi .v.up{color:#5ed68a;} .mock-kpi .v.gold{color:var(--gold-light);}
.mock-kpi .d{font-size:11.5px;margin-top:3px;}
.mock-kpi .d.up{color:#5ed68a;} .mock-kpi .d.flat{color:#8fa3c2;}
.mock-main{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;}
.mock-chart{background:rgba(255,255,255,.035);border:1px solid rgba(120,160,210,.14);border-radius:14px;padding:18px;}
.mock-chart .ch-t{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.mock-chart .ch-t .t{font-size:13.5px;color:#c6d2e2;font-weight:600;}
.mock-chart .ch-t .tag{font-size:12px;color:#5ed68a;background:rgba(94,214,138,.12);padding:3px 9px;border-radius:6px;}
.mock-chart svg{width:100%;height:200px;display:block;}
.mock-side{display:grid;gap:14px;}
.mock-card{background:rgba(255,255,255,.045);border:1px solid rgba(120,160,210,.14);border-radius:14px;padding:16px;}
.mock-card .t{font-size:13px;color:#c6d2e2;font-weight:600;margin-bottom:10px;display:flex;justify-content:space-between;}
.mock-card .t .more{color:#8fa3c2;font-size:11px;}
.signal{display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px dashed rgba(120,160,210,.14);}
.signal:last-child{border-bottom:none;}
.signal .ic{width:34px;height:34px;border-radius:9px;flex:none;display:flex;align-items:center;justify-content:center;font-size:16px;}
.signal .ic.buy{background:rgba(94,214,138,.14);} .signal .ic.sell{background:rgba(232,99,92,.14);}
.signal .tx{flex:1;}
.signal .tx .n{font-size:13px;color:#fff;font-weight:600;}
.signal .tx .s{font-size:11.5px;color:#8fa3c2;}
.signal .pv{font-size:13px;font-weight:700;}
.signal .pv.up{color:#5ed68a;} .signal .pv.dn{color:#e8635c;}
.mock-log{background:rgba(255,255,255,.035);border:1px solid rgba(120,160,210,.14);border-radius:14px;padding:16px 18px;}
.mock-log .t{font-size:13px;color:#c6d2e2;font-weight:600;margin-bottom:10px;}
.mock-log .rows{display:grid;gap:7px;}
.log-row{display:flex;justify-content:space-between;font-size:12.5px;color:#9fb3cf;background:rgba(255,255,255,.03);border-radius:8px;padding:7px 12px;}
.log-row b{color:#fff;font-weight:600;}
.log-row .ok{color:#5ed68a;} .log-row .act{color:var(--gold-light);}

/* ---------- 控制台演示区动效 ---------- */
/* 顶部状态提示点（AI 自动分析中） */
.mock-bar .url em::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#5ed68a;margin-right:8px;vertical-align:1px;animation:statusPing 1.8s ease-in-out infinite;}
@keyframes statusPing{0%,100%{box-shadow:0 0 0 0 rgba(94,214,138,.55);opacity:.85;}70%{box-shadow:0 0 0 9px rgba(94,214,138,0);opacity:1;}}

/* 多头信号标签 循环浮动 */
.mock-chart .ch-t .tag-flow{animation:labelFloat 2.8s ease-in-out infinite;}
@keyframes labelFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-3px);}}

/* 行情折线流动光效 */
.mock-chart svg .pline-flow{stroke-dasharray:9 265;stroke-dashoffset:0;animation:plineFlow 6s linear infinite;}
@keyframes plineFlow{to{stroke-dashoffset:-548;}}

/* 折线节点脉冲 */
.mock-chart svg .n-dot{animation:dotPulse 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:center;}
.mock-chart svg .n-dot:nth-of-type(1){animation-delay:.0s;}
.mock-chart svg .n-dot:nth-of-type(2){animation-delay:.35s;}
.mock-chart svg .n-dot:nth-of-type(3){animation-delay:.7s;}
.mock-chart svg .n-dot:nth-of-type(4){animation-delay:1.05s;}
@keyframes dotPulse{0%,100%{opacity:.55;transform:scale(.85);}50%{opacity:1;transform:scale(1.12);}}

/* 图表文字标签（AI建议加仓/止盈）循环呼吸 */
.mock-chart svg .flow-labels{animation:flowLabel 3.4s ease-in-out infinite;}
@keyframes flowLabel{0%,100%{opacity:.72;}50%{opacity:1;}}

/* 最近执行记录 无缝滚动 */
.mock-log .rows{overflow:hidden;height:145px;}
.mock-log .rows-inner{display:grid;gap:7px;animation:logScroll 6s linear infinite;}
@keyframes logScroll{0%{transform:translateY(0);}100%{transform:translateY(-100%);}}
/* 三大能力区 / 通用日志无缝滚动（高度由 JS 按行数设置） */
.mock-log.mock-scroll{overflow:hidden;position:relative;}
.mock-log.mock-scroll .rows{overflow:hidden;height:auto;}
.mock-log.mock-scroll .rows-inner{display:grid;gap:7px;animation:logScroll 6s linear infinite;}

/* ---------- 场景化三大能力（大图演示区） ---------- */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.showcase.rev .showcase-media{order:2;}
.showcase-text .kicker{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-weight:700;font-size:13px;letter-spacing:2px;margin-bottom:14px;}
.showcase-text h3{font-size:30px;font-weight:800;color:var(--navy);line-height:1.3;margin-bottom:16px;}
.showcase-text p{color:var(--muted);font-size:16px;line-height:1.85;}
.showcase-text ul{margin-top:22px;display:grid;gap:14px;}
.showcase-text li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);}
.showcase-text li .dot{width:22px;height:22px;border-radius:7px;background:var(--gold-soft);color:#a8812c;font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px;}
.showcase-text li span b{color:var(--navy);}
.showcase-media{position:relative;}
.showcase-media .mock{box-shadow:var(--shadow-lg);transform:none;}
.showcase-media .glow{position:absolute;inset:-30px;border-radius:40px;background:radial-gradient(60% 60% at 50% 40%,rgba(47,111,176,.28),transparent 70%);z-index:-1;}

/* ---------- 特性/卡片 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden;}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(201,162,75,.5);}
.feature-card .num{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:1px;}
.feature-card .ico{width:58px;height:58px;border-radius:15px;background:linear-gradient(135deg,var(--navy2),var(--navy3));display:flex;align-items:center;justify-content:center;font-size:28px;margin:16px 0 18px;box-shadow:0 8px 20px rgba(10,22,38,.18);}
.feature-card h3{font-size:20px;font-weight:800;color:var(--navy);}
.feature-card p{color:var(--muted);font-size:15px;margin-top:12px;}
.feature-card ul{margin-top:16px;display:grid;gap:10px;}
.feature-card li{font-size:14.5px;color:var(--text);display:flex;gap:9px;align-items:flex-start;}
.feature-card li::before{content:"✓";color:var(--gold);font-weight:800;flex:none;}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow);}
.step .dot{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--navy2),var(--navy3));color:var(--gold-light);font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 8px 20px rgba(10,22,38,.16);}
.step h4{font-size:18px;color:var(--navy);font-weight:800;}
.step p{font-size:14px;color:var(--muted);margin-top:8px;}

/* 信任统计 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center;}
.stat .n{font-size:44px;font-weight:800;background:linear-gradient(120deg,#f0d68e,#c9a24b);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat .n small{font-size:22px;}
.stat .l{color:#9fb3cf;font-size:15px;margin-top:6px;}

/* 场景卡片 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column;}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.scene-cover{height:170px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:58px;}
.scene-card .body{padding:26px;display:flex;flex-direction:column;flex:1;}
.scene-card .body h3{font-size:20px;font-weight:800;color:var(--navy);}
.scene-card .body p{color:var(--muted);font-size:14.5px;margin:10px 0 16px;flex:1;}
.scene-card .body ul{display:grid;gap:8px;}
.scene-card .body li{font-size:14px;display:flex;gap:8px;color:var(--text);}
.scene-card .body li::before{content:"•";color:var(--gold);font-weight:800;}

/* CTA */
.cta-band{
  background:transparent;border:none;border-radius:0;
  padding:14px 0 6px;text-align:center;
  color:var(--navy);position:relative;
}
.cta-band::before{content:none;}
.cta-band h2{font-size:36px;font-weight:800;position:relative;color:var(--navy);}
.cta-band p{color:var(--navy);margin:16px auto 34px;max-width:640px;position:relative;font-size:17px;}
.cta-band .wh{color:var(--gold);font-weight:800;font-size:19px;}
.cta-band .btn{position:relative;}
.cta-band .btn-outline{background:rgba(10,22,38,.04);color:var(--navy);border:1.5px solid rgba(10,22,38,.45);}
.cta-band .btn-outline:hover{border-color:var(--gold);color:var(--gold);background:rgba(201,162,75,.08);}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch;}
.price-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px 30px;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative;}
.price-card.featured{border:2px solid var(--gold);box-shadow:var(--shadow-lg);}
.price-card .p-flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#e6c36b,#b98a3a);color:#171207;font-weight:800;font-size:13px;padding:5px 16px;border-radius:30px;box-shadow:0 6px 16px rgba(201,162,75,.4);}
.price-card .p-name{font-size:19px;font-weight:800;color:var(--navy);}
.price-card .p-sub{font-size:13px;color:var(--muted);margin-top:6px;}
.price-card .p-price{font-size:44px;font-weight:800;color:var(--navy);margin:20px 0 6px;}
.price-card .p-price small{font-size:16px;color:var(--muted);font-weight:500;}
.price-card .p-desc{font-size:14px;color:var(--muted);border-bottom:1px dashed var(--line);padding-bottom:18px;margin-bottom:18px;}
.price-card ul{display:grid;gap:12px;flex:1;}
.price-card li{font-size:14.5px;display:flex;gap:10px;align-items:flex-start;}
.price-card li::before{content:"✓";color:var(--gold);font-weight:800;flex:none;}
.price-card .btn{margin-top:24px;width:100%;}

/* 关于 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-text h3{font-size:30px;color:var(--navy);font-weight:800;margin-bottom:16px;line-height:1.3;}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:16px;line-height:1.85;}
.about-list li{display:flex;gap:12px;margin-bottom:12px;font-size:15.5px;color:var(--text);}
.about-list li::before{content:"◆";color:var(--gold);font-size:12px;align-self:center;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);overflow:hidden;}
.contact-head{background:linear-gradient(135deg,#0f1f36,#16294a);color:#fff;padding:26px 30px;}
.contact-head h4{font-size:21px;}
.contact-head p{color:#9fb3cf;font-size:14px;margin-top:6px;}
.contact-body{padding:26px 30px;}
.contact-row{display:flex;justify-content:space-between;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);align-items:center;flex-wrap:wrap;}
.contact-row:last-child{border-bottom:none;}
.contact-row .k{color:var(--muted);font-size:14px;}
.contact-row .v{font-weight:700;font-size:15.5px;color:var(--navy);display:flex;align-items:center;gap:8px;}
.copy-btn{background:var(--navy2);color:#fff;border:none;font-size:12px;padding:6px 12px;border-radius:7px;cursor:pointer;}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow);}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:22px 26px;cursor:pointer;font-weight:700;font-size:16px;color:var(--navy);}
.faq-q .arrow{color:var(--gold);transition:.3s;font-size:14px;flex:none;}
.faq-item.open .arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 26px 22px;color:var(--muted);font-size:15px;}
.faq-item.open .faq-a{max-height:700px;}

/* 表格 */
table.simple{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);}
table.simple th,table.simple td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);}
table.simple th{background:linear-gradient(135deg,#0f1f36,#16294a);color:#fff;font-weight:600;}
table.simple tr:last-child td{border-bottom:none;}
table.simple tr:hover td{background:#f3f8fd;}

/* 页脚 */
.site-footer{background:var(--navy);color:#9fb3cf;padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:40px;}
.footer-grid h5{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-grid p{font-size:14px;line-height:1.8;}
.footer-links a{display:block;font-size:14.5px;padding:5px 0;color:#9fb3cf;transition:.2s;}
.footer-links a:hover{color:var(--gold);}
.footer-wx{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px 16px;display:flex;align-items:center;gap:14px;}
.footer-wx .code{width:72px;height:72px;border-radius:12px;background:#fff;flex:none;display:flex;align-items:center;justify-content:center;color:#9aa7b6;font-size:11px;text-align:center;padding:4px;}
.footer-wx > div:last-child{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;align-items:stretch;}
.footer-wx .t{font-size:14px;color:#fff;font-weight:700;white-space:nowrap;}
.footer-wx .wh{font-size:14px;color:var(--gold-light);font-weight:700;letter-spacing:.5px;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.footer-wx .btn{width:100%;padding:9px 0;font-size:13.5px;}
.risk{background:rgba(0,0,0,.3);padding:20px 0;font-size:12.5px;color:#7d90ab;line-height:1.9;}
.risk .hl{color:#c98f6a;}
.footer-bottom{background:rgba(0,0,0,.24);padding:15px 0;font-size:12.5px;color:#7d90ab;border-top:1px solid rgba(255,255,255,.05);}
.fb-row{display:flex;flex-wrap:wrap;gap:6px 22px;align-items:center;justify-content:center;text-align:center;}
.fb-row a{color:#8fa3c2;text-decoration:none;transition:color .2s;}
.fb-row a:hover{color:var(--gold-light);}
.fb-sep{opacity:.4;}

/* 悬浮加微信 */
.float-wx{
  position:fixed;right:24px;bottom:28px;z-index:200;display:flex;align-items:center;
  background:linear-gradient(160deg,#1c3356,#101f38);color:#f6e7bd;font-weight:800;
  padding:14px 20px;border-radius:44px;border:1px solid rgba(201,162,75,.72);
  box-shadow:0 12px 30px rgba(0,0,0,.4),0 0 18px rgba(201,162,75,.2),inset 0 1px 0 rgba(255,255,255,.08);
  cursor:pointer;transition:.25s;font-size:15px;
}
.float-wx:hover{transform:translateY(-3px);color:#ffeab5;border-color:var(--gold-light);box-shadow:0 14px 34px rgba(0,0,0,.45),0 0 22px rgba(201,162,75,.3);}
.float-wx .pulse{width:10px;height:10px;border-radius:50%;background:#1f6b36;margin-right:9px;box-shadow:0 0 0 0 rgba(31,107,54,.6);animation:ping 1.6s infinite;}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(31,107,54,.55);}70%{box-shadow:0 0 0 13px rgba(31,107,54,0);}100%{box-shadow:0 0 0 0 rgba(31,107,54,0);}}

/* 微信弹窗 */
.wx-modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;background:rgba(4,10,20,.8);padding:20px;}
.wx-modal.show{display:flex;}
.wx-box{background:#fff;border-radius:22px;max-width:410px;width:100%;padding:34px 30px;text-align:center;position:relative;box-shadow:0 30px 90px rgba(0,0,0,.5);}
.wx-box .close{position:absolute;top:16px;right:20px;border:none;background:none;font-size:26px;color:#9aa7b6;cursor:pointer;line-height:1;}
.wx-box h3{font-size:22px;color:var(--navy);font-weight:800;}
.wx-box .sub{color:var(--muted);font-size:14px;margin:8px 0 20px;}
.wx-code{width:190px;height:190px;border-radius:14px;background:#eef2f7;border:1px solid var(--line);margin:0 auto 20px;display:flex;align-items:center;justify-content:center;color:#9aa7b6;font-size:12px;}
.wx-copy{display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,#0f1f36,#16294a);color:#fff;border:none;font-size:16px;font-weight:800;padding:15px;border-radius:12px;width:100%;cursor:pointer;}
.wx-copy .wh{color:var(--gold-light);}
.wx-tip{font-size:13px;color:var(--muted);margin-top:14px;}

/* toast */
.toast{position:fixed;left:50%;bottom:44px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:12px 24px;border-radius:34px;font-size:14px;opacity:0;transition:.3s;z-index:400;box-shadow:0 10px 30px rgba(0,0,0,.3);}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* 内页 hero */
.page-hero{background:linear-gradient(160deg,#0a1626,#0f1f36 60%,#0a1626);color:#fff;padding:72px 0 76px;border-bottom:1px solid rgba(201,162,75,.22);position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(70% 70% at 50% 20%,#000,transparent);}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{font-size:42px;font-weight:800;}
.page-hero .crumb{font-size:13px;color:#8fa3c2;margin-bottom:12px;}
.page-hero p{color:#b9cbe4;max-width:760px;margin-top:14px;font-size:17px;}

/* 内容工具 */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.info-card h3{font-size:18px;color:var(--navy);margin-bottom:12px;font-weight:800;}
.info-card p,.info-card li{font-size:15px;color:var(--muted);}
.info-card ul{margin-top:10px;display:grid;gap:10px;}
.info-card li{display:flex;gap:9px;align-items:flex-start;}
.info-card li::before{content:"•";color:var(--gold);font-weight:800;flex:none;}

/* 教程 */
.academy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.25s;}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.post-cover{height:170px;background:linear-gradient(135deg,var(--navy2),var(--navy3));display:flex;align-items:center;justify-content:center;color:var(--gold-light);font-size:52px;position:relative;}
.post-card .tag{position:absolute;top:14px;left:14px;background:rgba(10,22,38,.85);color:var(--gold-light);font-size:12px;padding:5px 12px;border-radius:8px;z-index:2;}
.post-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:17px;color:var(--navy);font-weight:800;line-height:1.5;}
.post-body p{font-size:14px;color:var(--muted);margin:10px 0 18px;flex:1;}
.post-link{color:var(--blue);font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:6px;}
.post-link:hover{color:var(--gold);}

/* 案例 */
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.case-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;flex-wrap:wrap;gap:8px;}
.case-top h3{font-size:18px;color:var(--navy);font-weight:800;}
.badge-tag{font-size:12px;font-weight:700;padding:5px 11px;border-radius:8px;}
.badge-tag.gold{background:var(--gold-soft);color:#a8812c;}
.badge-tag.blue{background:rgba(47,111,176,.12);color:var(--blue);}

/* 风险页 */
.risk-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);}
.risk-box h3{color:var(--navy);font-size:20px;margin:26px 0 12px;}
.risk-box h3:first-child{margin-top:0;}
.risk-box p,.risk-box li{color:var(--muted);font-size:15px;line-height:2;}
.risk-box ul{margin:8px 0;display:grid;gap:10px;}
.risk-box li{display:flex;gap:11px;align-items:flex-start;}
.risk-box li::before{content:"⚠";color:var(--danger);font-weight:700;flex:none;}

/* B站横幅 */
.bili-banner{background:linear-gradient(135deg,#0f1f36,#16294a);border:1px solid rgba(201,162,75,.4);border-radius:22px;padding:36px 40px;display:flex;align-items:center;gap:26px;flex-wrap:wrap;color:#fff;box-shadow:var(--shadow-lg);}
.bili-banner .ico{font-size:54px;flex:none;}
.bili-banner h3{font-size:24px;font-weight:800;}
.bili-banner p{color:#b9cbe4;font-size:15px;margin-top:8px;}
.bili-banner .btn{margin-left:auto;}

/* 响应式 */
@media(max-width:1000px){
  .hero h1{font-size:42px;}
  .showcase{grid-template-columns:1fr;gap:44px;}
  .showcase.rev .showcase-media{order:0;}
  .feature-grid,.steps,.price-grid,.academy-grid,.grid-3,.scene-grid{grid-template-columns:repeat(2,1fr);}
  .mock-main{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .about-grid{grid-template-columns:1fr;}
  .mock-kpis{grid-template-columns:repeat(2,1fr);}
  .nav{gap:12px;}
  .nav-links{gap:0;}
  .nav-links a{padding:9px 9px;font-size:13.5px;}
}
@media(max-width:940px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--navy2);padding:16px 22px;gap:6px;border-bottom:1px solid rgba(201,162,75,.3);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 12px;border-radius:9px;}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
}
@media(max-width:700px){
  .section{padding:64px 0;}
  .feature-grid,.steps,.price-grid,.academy-grid,.grid-3,.grid-2,.scene-grid{grid-template-columns:1fr;}
  .hero h1{font-size:32px;}
  .hero .sub{font-size:16px;}
  .sec-title{font-size:27px;}
  .sec-sub{font-size:15.5px;}
  .cta-band{padding:24px 0 6px;}
  .cta-band h2{font-size:27px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat .n{font-size:34px;}
  .float-wx{padding:12px 16px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .mock-body{padding:14px;}
  .mock-kpis{grid-template-columns:repeat(2,1fr);}
  .bili-banner{padding:28px 24px;}
  .bili-banner .btn{margin-left:0;margin-top:6px;}
}

/* ===================== 灵动交互 ===================== */
/* 滚动显现 */
.reveal{opacity:0;will-change:opacity,transform;}
.reveal.in{animation:rise .7s cubic-bezier(.22,.7,.22,1) forwards;}
@keyframes rise{from{opacity:0;transform:translateY(28px);}to{opacity:1;transform:none;}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;}.reveal.in{animation:none;}}

/* 顶部金色滚动进度条 */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:400;border-radius:0 3px 3px 0;background:linear-gradient(90deg,#c9a24b,#e8cf8a);box-shadow:0 0 8px rgba(201,162,75,.6);}

/* 导航滚动态：变紧凑 + 加深 + 阴影 */
.site-header{transition:background .3s,box-shadow .3s,border-color .3s;}
.site-header.scrolled{background:rgba(10,22,38,.97);box-shadow:0 8px 28px rgba(0,0,0,.4);}
.nav{transition:height .3s;}
.site-header.scrolled .nav{height:64px;}
.brand .logo,.brand .name,.brand .tagline{transition:all .3s;}
.site-header.scrolled .brand .logo{width:36px;height:36px;}
.site-header.scrolled .brand .name{font-size:20px;}
.site-header.scrolled .brand .tagline{display:none;}

/* 导航链接：底部金色指示线 */
.nav-links a{position:relative;}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:linear-gradient(90deg,#c9a24b,#e8cf8a);transform:scaleX(0);transform-origin:left;transition:transform .3s;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}

/* Hero 漂浮光斑 */
.hero .blob{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:1;opacity:.55;}
.hero .blob.b1{width:440px;height:440px;background:radial-gradient(circle,rgba(47,111,176,.5),transparent 70%);top:-130px;right:-80px;animation:drift1 16s ease-in-out infinite;}
.hero .blob.b2{width:380px;height:380px;background:radial-gradient(circle,rgba(201,162,75,.34),transparent 70%);bottom:-110px;left:-90px;animation:drift2 18s ease-in-out infinite;}
@keyframes drift1{0%,100%{transform:translate(0,0);}50%{transform:translate(-46px,32px);}}
@keyframes drift2{0%,100%{transform:translate(0,0);}50%{transform:translate(54px,-28px);}}

/* 卡片 / 图标 hover 微动 */
.feature-card .ico{transition:transform .35s,box-shadow .35s;}
.feature-card:hover .ico{transform:translateY(-3px) scale(1.08) rotate(-3deg);box-shadow:0 12px 26px rgba(201,162,75,.32);}
.info-card{transition:transform .3s,box-shadow .3s,border-color .3s;}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(201,162,75,.45);}
.step{transition:transform .3s,box-shadow .3s;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step .dot{transition:box-shadow .3s,transform .3s;}
.step:hover .dot{box-shadow:0 8px 22px rgba(201,162,75,.45);transform:rotate(-6deg);}
.scene-card .scene-cover{transition:transform .5s;}
.scene-card:hover .scene-cover{transform:scale(1.04);}
.post-card .post-cover{transition:transform .5s;}
.post-card:hover .post-cover{transform:scale(1.03);}
.faq-item{transition:box-shadow .25s,border-color .25s;}
.faq-item:hover{border-color:rgba(201,162,75,.45);box-shadow:var(--shadow-lg);}
.price-card{transition:transform .3s,box-shadow .3s,border-color .3s;}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.showcase-media .mock{transition:transform .4s,box-shadow .4s;}
.showcase:hover .showcase-media .mock{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.stat .n{transition:transform .4s;}
.stat:hover .n{transform:scale(1.08);}
.cta-band{transition:transform .3s;}
.cta-band:hover{transform:translateY(-2px);}
.cta-band:hover .wh{color:var(--gold);}
.cta-band:hover .btn-outline{border-color:var(--gold);color:var(--gold);background:rgba(201,162,75,.1);}

/* 卡片悬停配色：白卡 → 深蓝渐变底 + 文字变亮（金色点缀） */
.feature-card,.scene-card,.price-card,.case-card,.step,.info-card,.post-card{
  transition:transform .3s,box-shadow .3s,border-color .3s,background .3s,color .3s;
}
.feature-card:hover,.scene-card:hover,.price-card:hover,.case-card:hover,.step:hover,.info-card:hover,.post-card:hover{
  background:linear-gradient(155deg,#163052,#0d1c34);
  border-color:rgba(201,162,75,.55);
}
.feature-card:hover h3,.scene-card:hover .body h3,.price-card:hover .p-name,
.case-card:hover h3,.step:hover h4,.info-card:hover h3,.post-card:hover .post-body h3{color:#fff;}
.feature-card:hover .num{color:var(--gold-light);}
.feature-card:hover p,.scene-card:hover .body p,.price-card:hover .p-sub,
.price-card:hover .p-desc,.price-card:hover .p-price small,.case-card:hover p,
.step:hover p,.info-card:hover p,.post-card:hover .post-body p{color:#c9d8ec;}
.feature-card:hover li,.scene-card:hover .body li,.price-card:hover li,
.case-card:hover li,.info-card:hover li{color:#e7effa;}
.post-card:hover .post-link{color:var(--gold-light);}
.price-card:hover .p-price{color:var(--gold-light);}
.feature-card:hover .ico,.step:hover .dot,.info-card:hover .ico{
  background:linear-gradient(135deg,rgba(201,162,75,.3),rgba(201,162,75,.1));
}

/* B站 引导横幅 hover 配色 */
.bili-banner{transition:background .3s,box-shadow .3s,transform .3s;}
.bili-banner:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#1a3a5e,#24507f);}
.bili-banner:hover h3{color:var(--gold-light);}