/* ===== 仙念仙首页 自包含样式（全新设计，无外部依赖） ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --brand:#6366f1;
  --brand2:#8b5cf6;
  --cyan:#06b6d4;
  --ink:#0f172a;
  --ink2:#1e1b4b;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#ffffff;
  --bgsoft:#f8fafc;
  --radius:16px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow2:0 20px 50px rgba(79,70,229,.18);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.xnx-wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.xnx-btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;
  font-weight:600;font-size:15px;cursor:pointer;border:none;transition:.25s;
}
.xnx-btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow2)}
.xnx-btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.xnx-btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
.xnx-btn-ghost:hover{background:rgba(255,255,255,.22)}
.xnx-btn-line{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.xnx-btn-line:hover{background:var(--brand);color:#fff}

/* ===== 顶部导航 ===== */
.xnx-nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.xnx-nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.xnx-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.xnx-logo .dot{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--cyan));display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.xnx-nav-in > nav{height:100%;display:flex;align-items:center}
.xnx-menu{display:flex;gap:20px;list-style:none;height:100%}
.xnx-menu > li{position:relative;height:100%;display:flex;align-items:center}
.xnx-menu > li > a{display:flex;align-items:center;height:100%;padding:0 14px;font-size:15px;color:var(--text);font-weight:500}
.xnx-menu > li > a:hover{color:var(--brand)}
.xnx-has-sub > a:after{content:"\25BE";margin-left:6px;font-size:11px;color:var(--muted)}
.xnx-submenu{position:absolute;top:64px;left:0;min-width:220px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--brand);box-shadow:var(--shadow);padding:8px 0;list-style:none;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s;z-index:200}
.xnx-has-sub:hover .xnx-submenu{opacity:1;visibility:visible;transform:none}
.xnx-submenu li a{display:block;padding:9px 22px;font-size:14px;color:var(--text);white-space:nowrap}
.xnx-submenu li a:hover{background:var(--bgsoft);color:var(--brand)}
.xnx-align-right .xnx-submenu{left:auto;right:0}
.xnx-nav-cta{display:flex;align-items:center;gap:14px}
.xnx-tel{font-weight:700;color:var(--brand)}

/* ===== Hero ===== */
.xnx-hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,rgba(139,92,246,.45),transparent),linear-gradient(135deg,#0f172a,#1e1b4b 60%,#312e81);color:#fff}
.xnx-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 70% 20%,#000,transparent 70%)}
.xnx-hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:84px 0 96px}
.xnx-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:13px;margin-bottom:22px}
.xnx-hero h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.5px}
.xnx-hero h1 .hl{background:linear-gradient(90deg,#a5b4fc,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.xnx-hero p{margin:22px 0 32px;font-size:17px;color:rgba(255,255,255,.82);max-width:540px}
.xnx-hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.xnx-hero-stats{display:flex;gap:36px;margin-top:44px}
.xnx-hero-stats .n{font-size:28px;font-weight:800;background:linear-gradient(90deg,#a5b4fc,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.xnx-hero-stats .l{font-size:13px;color:rgba(255,255,255,.7)}
.xnx-hero-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:360px}
.xnx-orb{position:absolute;top:50%;left:50%;margin:-170px 0 0 -170px;width:340px;height:340px;border-radius:50%;background:conic-gradient(from 180deg,var(--brand),var(--cyan),var(--brand2),var(--brand));filter:blur(2px);opacity:.9;animation:spin 14s linear infinite}
.xnx-orb-core{position:absolute;inset:60px;border-radius:50%;background:rgba(15,23,42,.92);display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 40px rgba(103,232,249,.25)}
@keyframes spin{to{transform:rotate(360deg)}}
.xnx-hero-img{position:relative;z-index:2;width:100%;max-width:440px;border-radius:24px;box-shadow:0 30px 70px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.18);object-fit:cover;aspect-ratio:16/10}

/* ===== 通用区块 ===== */
.xnx-sec{padding:80px 0}
.xnx-sec.soft{background:var(--bgsoft)}
.xnx-sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
.xnx-sec-head .tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.xnx-sec-head h2{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.5px}
.xnx-sec-head p{margin-top:14px;color:var(--muted);font-size:16px}

/* ===== 方案卡片 ===== */
.xnx-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.xnx-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s;position:relative;overflow:hidden}
.xnx-card:before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--brand),var(--cyan));transform:scaleX(0);transform-origin:left;transition:.3s}
.xnx-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.xnx-card:hover:before{transform:scaleX(1)}
.xnx-card .ic{width:58px;height:58px;border-radius:14px;background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(6,182,212,.12));display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.xnx-card h3{font-size:19px;color:var(--ink);margin-bottom:10px}
.xnx-card p{font-size:14px;color:var(--muted)}
.xnx-card.has-img{padding:0 0 26px}
.xnx-card.has-img:before{display:none}
.xnx-card-media{height:160px;margin:0 0 22px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;background:linear-gradient(135deg,#eef2ff,#ecfeff)}
.xnx-card-media img{width:100%;height:100%;object-fit:cover;display:block}
.xnx-card.has-img .ic{margin-left:26px;margin-right:26px}
.xnx-card.has-img h3{margin-left:26px;margin-right:26px}
.xnx-card.has-img p{margin-left:26px;margin-right:26px}
.xnx-card.has-img .xnx-btn-line{margin-left:26px;margin-right:26px;margin-top:16px}

/* ===== Tab 切换板块 ===== */
.xnx-tabs{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.xnx-tab{padding:12px 26px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:600;color:var(--text);cursor:pointer;transition:.25s}
.xnx-tab.active{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent;box-shadow:var(--shadow2)}
.xnx-panel{display:none;animation:fade .4s ease}
.xnx-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.xnx-panel h3{font-size:28px;color:var(--ink);margin-bottom:16px}
.xnx-panel .lead{color:var(--muted);margin-bottom:22px;font-size:16px}
.xnx-panel ul{list-style:none;display:grid;gap:14px}
.xnx-panel li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.xnx-panel li .ck{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:2px}
.xnx-panel-visual{height:320px;border-radius:var(--radius);background:linear-gradient(135deg,#eef2ff,#ecfeff);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}
.xnx-panel-visual img{width:100%;height:100%;object-fit:cover;display:block}

/* ===== 流程 ===== */
.xnx-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.xnx-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;overflow:hidden;transition:.3s}
.xnx-step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.xnx-step-media{height:132px;margin:-30px -24px 22px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;background:linear-gradient(135deg,#eef2ff,#ecfeff)}
.xnx-step-media img{width:100%;height:100%;object-fit:cover;display:block}
.xnx-step .num{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.xnx-step h4{font-size:18px;color:var(--ink);margin-bottom:8px}
.xnx-step p{font-size:14px;color:var(--muted)}
.xnx-step:not(:last-child):after{content:"";position:absolute;top:54px;right:-22px;width:24px;height:2px;background:linear-gradient(90deg,var(--brand),var(--cyan))}

/* ===== 架构图 ===== */
.xnx-arch{display:grid;gap:18px;max-width:900px;margin:0 auto}
.xnx-arch-row{display:grid;gap:18px}
.xnx-arch-row.r1{grid-template-columns:repeat(4,1fr)}
.xnx-arch-row.r2{grid-template-columns:1fr}
.xnx-arch-row.r3{grid-template-columns:repeat(4,1fr)}
.xnx-node{border-radius:14px;padding:18px;text-align:center;font-weight:600;font-size:14px}
.xnx-node.top{background:linear-gradient(135deg,#eef2ff,#e0e7ff);color:#3730a3;border:1px solid #c7d2fe}
.xnx-node.core{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow2);font-size:18px;padding:26px}
.xnx-node.app{background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:var(--shadow)}
.xnx-arrow{text-align:center;color:var(--cyan);font-size:22px;margin:-4px 0}

/* ===== 服务能力 ===== */
.xnx-svcs{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.xnx-svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;gap:16px;align-items:flex-start;transition:.25s}
.xnx-svc:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.xnx-svc .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,rgba(6,182,212,.14),rgba(99,102,241,.14));display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.xnx-svc .thumb{width:56px;height:56px;border-radius:12px;object-fit:cover;flex:0 0 auto;background:linear-gradient(135deg,#eef2ff,#ecfeff)}
.xnx-svc h4{font-size:16px;color:var(--ink);margin-bottom:4px}
.xnx-svc p{font-size:13px;color:var(--muted)}

/* ===== CTA 条 ===== */
.xnx-cta{background:linear-gradient(135deg,#0f172a,#312e81);color:#fff;border-radius:24px;padding:54px;text-align:center;margin:0 auto;max-width:1100px}
.xnx-cta h2{font-size:30px;margin-bottom:14px}
.xnx-cta p{color:rgba(255,255,255,.8);margin-bottom:28px}

/* ===== 页脚 ===== */
.xnx-foot{background:#0b1020;color:rgba(255,255,255,.7);padding:56px 0 28px}
.xnx-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.xnx-foot h5{color:#fff;font-size:16px;margin-bottom:16px}
.xnx-foot a{display:block;margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.7)}
.xnx-foot a:hover{color:#67e8f9}
.xnx-foot .desc{font-size:14px;margin-top:14px;max-width:320px}
.xnx-foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 咨询表单 ===== */
.xnx-contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;background:linear-gradient(135deg,#0f172a,#312e81);color:#fff;border-radius:24px;padding:54px;max-width:1100px;margin:0 auto}
.xnx-contact-info .tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:#67e8f9;margin-bottom:12px}
.xnx-contact-info h2{font-size:28px;margin-bottom:14px}
.xnx-contact-info p{color:rgba(255,255,255,.8);max-width:420px}
.xnx-contact-list{list-style:none;margin-top:22px;display:grid;gap:10px;font-size:15px;color:rgba(255,255,255,.9)}
.xnx-form{display:grid;gap:14px}
.xnx-form input,.xnx-form textarea{width:100%;padding:13px 16px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:rgba(255,255,255,.06);color:#fff;font-size:14px;font-family:inherit}
.xnx-form input::placeholder,.xnx-form textarea::placeholder{color:rgba(255,255,255,.5)}
.xnx-form input:focus,.xnx-form textarea:focus{outline:none;border-color:#67e8f9;background:rgba(255,255,255,.1)}
.xnx-form .xnx-btn{justify-content:center;margin-top:4px}
.xnx-form-note{font-size:13px;color:rgba(255,255,255,.6);text-align:center}

/* ===== 响应式 ===== */
@media (max-width:980px){
  .xnx-hero-in{grid-template-columns:1fr;padding:60px 0}
  .xnx-hero-art{display:flex;min-height:280px}
  .xnx-orb{display:none}
  .xnx-cards{grid-template-columns:repeat(2,1fr)}
  .xnx-svcs{grid-template-columns:repeat(2,1fr)}
  .xnx-flow{grid-template-columns:repeat(2,1fr)}
  .xnx-panel.active{grid-template-columns:1fr}
  .xnx-arch-row.r1,.xnx-arch-row.r3{grid-template-columns:repeat(2,1fr)}
  .xnx-foot-grid{grid-template-columns:1fr 1fr}
  .xnx-contact{grid-template-columns:1fr;padding:36px 24px}
  .xnx-nav-in{height:auto;flex-wrap:wrap;padding:10px 0}
  .xnx-menu{gap:4px 16px;flex-wrap:wrap;width:100%;align-items:flex-start;height:auto}
  .xnx-menu > li{height:auto}
  .xnx-has-sub{position:static;width:100%}
  .xnx-has-sub > a:after{display:none}
  .xnx-submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-left:2px solid var(--brand);border-radius:0;min-width:0;padding:2px 0 4px 12px;margin:2px 0 6px;width:100%}
  .xnx-submenu li a{padding:6px 0;white-space:normal}
}
@media (max-width:560px){
  .xnx-hero h1{font-size:32px}
  .xnx-sec-head h2{font-size:26px}
  .xnx-cards,.xnx-svcs,.xnx-flow{grid-template-columns:1fr}
  .xnx-arch-row.r1,.xnx-arch-row.r3{grid-template-columns:1fr}
  .xnx-foot-grid{grid-template-columns:1fr}
  .xnx-cta{padding:36px 20px}
  .xnx-hero-stats{gap:22px}
}
/* 三大核心业务方向：3 个模块居中排列 */
.xnx-cards.cols-3{grid-template-columns:repeat(3,1fr);max-width:1080px;margin:0 auto}
@media (max-width:980px){.xnx-cards.cols-3{grid-template-columns:repeat(2,1fr);max-width:760px}}
@media (max-width:560px){.xnx-cards.cols-3{grid-template-columns:1fr;max-width:420px}}