/* 洞策增长 · 明朗高端版首页样式 v20260925 */
:root{
  --bg:#F5F9FE; --white:#FFFFFF; --tint:#F0F6FF;
  --text:#0A1B33; --text-2:#40536E; --text-3:#5A6B85; --text-4:#8296B3;
  --blue:#0284C7; --blue-2:#0EA5E9; --blue-deep:#0369A1;
  --gold:#B8860B; --gold-bg:#FDF6E3; --gold-chip:#FEF6E3;
  --border:#E2EBF8; --border-2:#CBD9EC;
  --grad:linear-gradient(90deg,#0284C7,#0EA5E9);
  --shadow-sm:0 10px 28px -8px rgba(33,80,140,.10);
  --shadow-md:0 16px 40px -12px rgba(33,80,140,.14);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1312px;margin:0 auto;padding:0 32px}
h1,h2,h3,.brand-name,.flow-no,.kpi b,.stat b{font-family:"Songti SC","Noto Serif SC","Source Han Serif SC","STSong",serif;font-weight:700}

/* ===== 顶部导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;background:#EAF4FF}
.brand-name{display:block;font-size:21px;line-height:1.15}
.brand-sub{display:block;font-size:11px;color:var(--text-4);letter-spacing:2px}
.nav-links{display:flex;gap:6px}
.nav-links a{padding:8px 14px;border-radius:10px;font-size:14px;color:var(--text-3);transition:.2s}
.nav-links a:hover{color:var(--text);background:#F0F6FF}
.nav-links a.active{color:var(--text);font-weight:500}
.nav-cta a{display:inline-block;padding:10px 22px;border-radius:10px;background:var(--grad);color:#fff;font-size:14px;font-weight:600;box-shadow:0 8px 20px -6px rgba(2,132,199,.45);transition:.25s}
.nav-cta a:hover{transform:translateY(-2px);box-shadow:0 12px 26px -6px rgba(2,132,199,.55)}
.nav-burger{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:8px}
.mobile-menu{display:none}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:88px 0 72px;background:linear-gradient(180deg,#E9F4FE 0%,#F5F9FE 100%)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.55;animation:float 9s ease-in-out infinite alternate}
.hero-glow-1{width:520px;height:520px;background:#CDE9FC;top:-180px;right:-120px}
.hero-glow-2{width:420px;height:420px;background:#FBEED3;bottom:-200px;left:-140px;animation-delay:-4s}
@keyframes float{from{transform:translateY(0)}to{transform:translateY(36px)}}
.hero-grid{position:relative;display:grid;grid-template-columns:640px 1fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:#E0F2FE;border:1px solid #BDDFF7;color:var(--blue-deep);font-size:13px;font-weight:500;letter-spacing:1px}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(2,132,199,.15);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(2,132,199,.12)}50%{box-shadow:0 0 0 7px rgba(2,132,199,.04)}}
.hero h1{font-size:56px;line-height:74px;margin:24px 0;letter-spacing:1px}
.grad-text{background:linear-gradient(90deg,#0A69AE,#B8860B);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:16px;color:var(--text-3);line-height:30px;max-width:600px}
.cta-row{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 30px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:.25s;border:0}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px -4px rgba(2,132,199,.38)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px -6px rgba(2,132,199,.48)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-deep);transform:translateY(-3px)}
.hero-visual{display:flex;flex-direction:column;gap:18px;align-items:center}
.dash-card{width:100%;border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--border);box-shadow:0 24px 60px -12px rgba(33,80,140,.18);transition:.3s}
.dash-card:hover{transform:translateY(-4px)}
.dash-card img{width:100%;height:auto}
.chip-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;font-size:13px;font-weight:500}
.chip i{width:6px;height:6px;border-radius:50%}
.chip-gold{background:#FEF6E3;border:1px solid #E8D9A8;color:#8A6516}.chip-gold i{background:#B8860B}
.chip-blue{background:#E0F2FE;border:1px solid #BDDFF7;color:var(--blue-deep)}.chip-blue i{background:var(--blue)}

/* 数据带 */
.stats-band{position:relative;display:flex;justify-content:space-between;margin-top:48px;padding:30px 56px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-sm)}
.stat{text-align:center}
.stat b{display:block;font-size:34px;color:var(--gold)}
.stat span{font-size:13px;color:var(--text-3)}

/* ===== 区块通用 ===== */
.sec{padding:84px 0 72px}
.sec-white{background:#fff}
.sec-tint{background:var(--tint)}
.sec-head{text-align:center;max-width:640px;margin:0 auto 48px}
.sec-tag{display:inline-block;font-size:13px;font-weight:500;color:var(--blue-deep);letter-spacing:3px}
.sec-head h2{font-size:34px;margin:14px 0}
.sec-head p{font-size:15px;color:var(--text-3)}

/* 合作流程 */
.flow-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-card{padding:26px 24px;background:var(--bg);border:1px solid var(--border);border-radius:16px;transition:.3s}
.flow-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--border-2)}
.flow-no{display:block;font-size:28px;color:var(--gold)}
.flow-card h3{font-size:18px;margin:12px 0 10px}
.flow-card p{font-size:13px;color:var(--text-3);line-height:24px}

/* 服务体系 */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.svc-card{position:relative;padding:26px 24px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-sm);transition:.3s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.svc-level{display:block;font-size:11px;font-weight:500;color:var(--gold);letter-spacing:2px}
.svc-level.level-blue{color:var(--blue-deep)}
.svc-card h3{font-size:19px;margin:10px 0}
.svc-card>p{font-size:13px;color:var(--text-3);line-height:24px}
.svc-meta{display:block;margin:10px 0 14px;font-size:12px;font-weight:500;color:var(--blue-deep)}
.svc-card ul{list-style:none}
.svc-card li{position:relative;padding-left:22px;font-size:13px;color:var(--text-2);line-height:30px}
.svc-card li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,#0EA5E9,#0284C7)}
.svc-card-hot{border:2px solid var(--blue);box-shadow:0 14px 40px -10px rgba(2,132,199,.24)}
.svc-hot-badge{position:absolute;top:-14px;left:24px;padding:5px 12px;border-radius:999px;background:var(--grad);color:#fff;font-size:11px;font-weight:600}

/* KPI 面板 */
.kpi-panel{padding:48px 64px;border-radius:24px;background:linear-gradient(180deg,#E9F4FE,#D8EDFB);border:1px solid #BBDBF1;box-shadow:var(--shadow-md)}
.kpi-row{display:flex;justify-content:space-between;text-align:center}
.kpi b{display:block;font-size:52px}
.kpi span{display:block;font-size:14px;font-weight:500;margin-top:8px}
.kpi em{display:block;font-style:normal;font-size:12px;color:var(--text-4);margin-top:6px}
.kpi-note{margin-top:36px;padding:10px 18px;border-radius:10px;background:#E0F2FE;font-size:12px;color:var(--blue-deep);text-align:center}

/* 客户评价 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{padding:28px 26px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-sm);transition:.3s;display:flex;flex-direction:column}
.quote-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.quote-mark{font-family:Georgia,serif;font-size:56px;line-height:.6;color:var(--gold);opacity:.5;display:block;margin-bottom:14px}
.quote-card p{font-size:14px;color:var(--text-2);line-height:26px;flex:1}
.quote-sig{display:flex;align-items:center;gap:12px;margin-top:20px}
.quote-sig>span:last-child{font-size:13px;color:var(--text-4);line-height:22px}
.avatar{display:flex;width:44px;height:44px;border-radius:50%;align-items:center;justify-content:center;font-family:"Songti SC","Noto Serif SC",serif;font-size:18px;color:#fff;flex:none}
.av-blue{background:var(--grad)}
.av-gold{background:linear-gradient(90deg,#B8860B,#D1A02F)}
.av-deep{background:linear-gradient(90deg,#0A69AE,#3D92D1)}

/* 八大赛道 */
.track-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.track-card{padding:28px 24px;background:var(--bg);border:1px solid var(--border);border-radius:16px;text-align:center;transition:.3s}
.track-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.track-ico{display:inline-flex;margin-bottom:14px}
.track-ico svg{width:56px;height:56px}
.track-card h3{font-size:17px;font-weight:600;font-family:inherit}
.track-card>span:last-child{font-size:12px;color:var(--text-4)}
.track-gold{background:var(--gold-bg);border-color:#E8D9A8}

/* 底部 CTA */
.sec-cta-bg{background:var(--bg)}
.cta-panel{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:center;padding:56px 64px;border-radius:24px;background:linear-gradient(90deg,#D8EDFB,#E9F4FE);border:1px solid #BBDBF1;box-shadow:var(--shadow-md)}
.cta-copy h2{font-size:38px;margin-bottom:16px}
.cta-copy p{font-size:16px;color:var(--text-3);line-height:28px}
.cta-copy .cta-row{margin-top:8px}
.cta-note{display:block;margin-top:14px;font-size:13px;color:var(--text-4)}
.cta-art{border-radius:18px;overflow:hidden;border:1px solid #BBDBF1;box-shadow:var(--shadow-sm)}
.cta-copy .btn-primary{white-space:nowrap}

/* 页脚 */
.footer{background:#0C2340;color:#8FA3C2;padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:420px 1fr 1fr 1fr;gap:48px}
.footer-brand-row{display:flex;align-items:center;gap:10px;color:#F2F6FD;font-family:"Songti SC","Noto Serif SC",serif;font-size:18px;font-weight:700}
.footer-brand p{font-size:13px;line-height:24px;margin-top:16px}
.footer-col h4{color:#F2F6FD;font-size:14px;font-weight:600;margin-bottom:14px}
.footer-col a{display:block;font-size:13px;line-height:30px;transition:.2s}
.footer-col a:hover{color:#DCE8F8}
.footer-bottom{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(46,74,107,.6);font-size:12px;color:#5F7396}

/* ===== 动效：滚动渐显 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr}
  .hero h1{font-size:44px;line-height:60px}
  .stats-band{flex-wrap:wrap;gap:24px;padding:26px 24px}
  .stat{flex:1 1 40%}
  .flow-row,.svc-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
  .track-grid{grid-template-columns:repeat(3,1fr)}
  .cta-panel{grid-template-columns:1fr}
  .cta-art{max-width:420px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .container{padding:0 20px}
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:block}
  .nav-inner{height:68px}
  .mobile-menu{display:flex;flex-direction:column;position:fixed;inset:0;z-index:200;background:#fff;padding:32px 24px}
  .mobile-menu:not(.open){display:none}
  .mobile-menu a{padding:16px 4px;font-size:16px;border-bottom:1px solid var(--border)}
  .mobile-menu .mm-cta{margin-top:18px;background:var(--grad);text-align:center;color:#fff;border:0;border-radius:12px;font-weight:600}
  .mobile-menu .mm-close{margin-top:18px;background:none;border:1px solid var(--border);color:var(--text);padding:14px;border-radius:12px;font-size:15px;cursor:pointer}
  .hero{padding:48px 0 48px}
  .hero h1{font-size:34px;line-height:48px}
  .kpi-panel{padding:36px 20px}
  .kpi-row{flex-wrap:wrap;gap:28px}
  .kpi{flex:1 1 40%}
  .kpi b{font-size:38px}
  .flow-row,.svc-grid,.quote-grid,.track-grid{grid-template-columns:1fr}
  .cta-panel{padding:36px 24px}
  .cta-copy h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}