/* ============================================================
   全域出海 · 全站共享样式
   ============================================================ */
:root{
  --navy:#0a1628; --navy2:#0f1f38; --card:#122540;
  --blue:#2f7bff; --blue-l:#4da3ff; --cyan:#39d0d8;
  --gold:#ffb454; --orange:#ff7a45;
  --text:#e8eef8; --muted:#93a4bd; --line:rgba(120,160,220,.14);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--navy); color:var(--text); line-height:1.75; overflow-x:hidden;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}
section{padding:84px 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;color:var(--blue-l);text-transform:uppercase;font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:2px}
h1,h2,h3{line-height:1.3;font-weight:700}
.h2{font-size:clamp(26px,4.4vw,42px);margin-bottom:16px}
.h2 .grad,.grad{background:linear-gradient(92deg,#fff 20%,var(--blue-l) 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--muted);font-size:16px;max-width:760px}
.center{text-align:center}.center .sub{margin:0 auto}
.center .eyebrow{justify-content:center}

/* ============ NAV ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;padding:16px 0}
.nav.scrolled,.nav.solid{background:rgba(10,22,40,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:10px 0}
.nav-in{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:1px}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;font-size:17px;color:#fff;box-shadow:0 4px 16px rgba(47,123,255,.45)}
.nav-links{display:flex;gap:15px;font-size:13.5px;color:var(--muted)}
.nav-links a{padding:4px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff;border-bottom-color:var(--blue-l)}
.nav-cta{background:linear-gradient(92deg,var(--blue),#5a5bf0);color:#fff;padding:9px 22px;border-radius:99px;font-size:14px;font-weight:600;box-shadow:0 4px 18px rgba(47,123,255,.4)}
.burger{display:none;background:none;border:0;color:#fff;font-size:26px}

/* ============ HERO (home) ============ */
.hero{min-height:100svh;display:flex;align-items:center;padding:130px 0 70px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 82% -8%,rgba(47,123,255,.28),transparent 60%),
  radial-gradient(700px 420px at 8% 108%,rgba(57,208,216,.16),transparent 60%),
  linear-gradient(180deg,#0a1628 0%,#0c1a30 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(90,140,220,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(90,140,220,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000,transparent 75%)}
.hero-in{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(47,123,255,.12);border:1px solid rgba(77,163,255,.35);color:var(--blue-l);padding:7px 18px;border-radius:99px;font-size:13.5px;margin-bottom:26px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.hero h1{font-size:clamp(34px,6.6vw,62px);letter-spacing:1px;margin-bottom:10px}
.hero-slogan{font-size:clamp(17px,2.6vw,23px);color:#c6d6ee;margin-bottom:16px;font-weight:500}
.hero-desc{color:var(--muted);max-width:640px;font-size:16px;margin-bottom:36px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:34px}
.hstat{flex:1;min-width:140px;padding:0 18px;border-left:1px solid var(--line)}
.hstat:first-child{border-left:0;padding-left:0}
.hstat b{display:block;font-size:clamp(24px,3.4vw,36px);background:linear-gradient(92deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:13px;color:var(--muted)}
.orbits{position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:min(560px,54vw);z-index:1;pointer-events:none;opacity:.9}

/* ============ PAGE HERO (inner pages) ============ */
.page-hero{padding:160px 0 70px;position:relative;overflow:hidden;background:
  radial-gradient(800px 400px at 85% -10%,rgba(47,123,255,.22),transparent 60%),
  linear-gradient(180deg,#0c1a30,#0a1628)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--blue-l)}
.breadcrumb span{margin:0 8px;color:rgba(147,164,189,.5)}
.page-hero h1{font-size:clamp(30px,5.4vw,52px);margin-bottom:14px;max-width:840px}
.page-hero .sub{font-size:17px}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:99px;font-weight:600;font-size:16px;transition:.25s;cursor:pointer;border:0}
.btn-primary{background:linear-gradient(92deg,var(--blue),#5a5bf0);color:#fff;box-shadow:0 8px 28px rgba(47,123,255,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(47,123,255,.6)}
.btn-ghost{border:1px solid rgba(140,180,240,.35);color:#dbe7fa;background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-sm{padding:10px 22px;font-size:14px}

/* ============ MARQUEE ============ */
.marquee{border-block:1px solid var(--line);padding:16px 0;overflow:hidden;background:rgba(255,255,255,.015)}
.marquee-track{display:flex;gap:56px;width:max-content;animation:scroll 30s linear infinite;color:var(--muted);font-size:14.5px;white-space:nowrap}
.marquee-track span{display:flex;align-items:center;gap:10px}
.marquee-track i{width:5px;height:5px;border-radius:50%;background:var(--blue);display:inline-block}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============ ENGINES / CARDS ============ */
.engines{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.engine{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:.3s;position:relative;overflow:hidden;display:block}
.engine:hover{transform:translateY(-6px);border-color:rgba(77,163,255,.4);box-shadow:0 20px 40px rgba(0,0,0,.35)}
.engine .num{font-size:13px;color:var(--blue-l);letter-spacing:2px;font-weight:700}
.engine .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:25px;margin:16px 0;background:rgba(47,123,255,.14);border:1px solid rgba(77,163,255,.25)}
.engine h3{font-size:19px;margin-bottom:8px}
.engine p{font-size:13.8px;color:var(--muted)}
.engine .more{display:inline-block;margin-top:14px;font-size:13.5px;color:var(--blue-l);font-weight:600}

/* ============ SPLIT / PANEL / FEAT ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split.rev>.split-txt{order:2}
.feat-list{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.feat{display:flex;gap:14px;background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.25s}
.feat:hover{border-color:rgba(77,163,255,.35)}
.feat .fi{flex:0 0 40px;height:40px;border-radius:11px;display:grid;place-items:center;font-size:19px;background:linear-gradient(135deg,rgba(47,123,255,.25),rgba(57,208,216,.18))}
.feat h4{font-size:15.5px;margin-bottom:3px}
.feat p{font-size:13.5px;color:var(--muted)}
.panel{background:linear-gradient(160deg,#10223f,#0c1a30);border:1px solid var(--line);border-radius:22px;padding:30px;position:relative;overflow:hidden}
.panel::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(47,123,255,.25),transparent 70%)}
.panel h4{font-size:16px;margin-bottom:18px;color:#cfe0f7}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{background:rgba(47,123,255,.12);border:1px solid rgba(77,163,255,.28);color:#bcd6ff;font-size:13px;padding:7px 15px;border-radius:99px}

/* tiers */
.tiers{display:flex;flex-direction:column;gap:12px}
.tier{border-radius:14px;padding:16px 18px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.tier .tt{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;gap:10px}
.tier .tt b{font-size:15px}
.tier .tt span{font-size:12px;padding:3px 12px;border-radius:99px;font-weight:600;white-space:nowrap}
.tier p{font-size:13px;color:var(--muted)}
.tier.t1 .tt span{background:rgba(57,208,216,.16);color:var(--cyan)}
.tier.t2 .tt span{background:rgba(47,123,255,.16);color:var(--blue-l)}
.tier.t3 .tt span{background:rgba(255,180,84,.14);color:var(--gold)}

/* agents */
.agents{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.agent{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:12px 13px;font-size:12.8px;color:#c3d4ee;display:flex;align-items:center;gap:8px}
.agent i{color:var(--cyan);font-style:normal;font-size:14px}

/* agent table */
.std-table{width:100%;border-collapse:collapse;margin-top:24px;font-size:14px}
.std-table th,.std-table td{border:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:top}
.std-table th{background:rgba(47,123,255,.14);color:#cfe0f7;font-weight:600;white-space:nowrap}
.std-table td{color:var(--muted)}
.std-table tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.std-table td b{color:#dbe7fa}
.table-wrap{overflow-x:auto;border-radius:14px}

/* flywheel */
.flywheel{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:40px}
.fw{background:linear-gradient(135deg,rgba(47,123,255,.2),rgba(57,208,216,.12));border:1px solid rgba(77,163,255,.35);padding:13px 22px;border-radius:99px;font-size:14.5px;font-weight:600}
.fw-arrow{color:var(--blue-l);font-size:18px}

/* stat cards */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.scard{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center}
.scard b{display:block;font-size:clamp(26px,3.6vw,38px);background:linear-gradient(92deg,#fff,var(--blue-l));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.scard span{font-size:13px;color:var(--muted)}

/* platforms */
.platforms{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:36px}
.pf{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;padding:18px 8px;text-align:center;transition:.25s}
.pf:hover{border-color:rgba(57,208,216,.45);transform:translateY(-4px)}
.pf .pi{font-size:26px;margin-bottom:8px}
.pf b{display:block;font-size:13.5px}
.pf span{font-size:11px;color:var(--muted)}

/* values */
.values{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:40px}
.val{background:linear-gradient(180deg,rgba(47,123,255,.09),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;position:relative}
.val .vn{position:absolute;top:14px;right:16px;font-size:26px;font-weight:800;color:rgba(77,163,255,.22)}
.val .vi{font-size:24px;margin-bottom:12px}
.val h4{font-size:15.5px;margin-bottom:6px}
.val p{font-size:12.8px;color:var(--muted)}

/* evolution steps */
.evo{display:flex;flex-direction:column;margin-top:8px}
.evo-step{display:flex;gap:16px;position:relative;padding-bottom:22px}
.evo-step::before{content:"";position:absolute;left:17px;top:38px;bottom:0;width:2px;background:linear-gradient(180deg,var(--blue),transparent)}
.evo-step:last-child::before{display:none}
.evo-n{flex:0 0 36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;z-index:1}
.evo-step h4{font-size:15px;margin-bottom:2px}
.evo-step p{font-size:13px;color:var(--muted)}

/* 5 steps grid */
.steps5{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:40px}
.step5{background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center;position:relative}
.step5 .sn{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;font-weight:800;font-size:18px}
.step5 h4{font-size:15px;margin-bottom:6px}
.step5 p{font-size:12.5px;color:var(--muted)}

/* cases */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
.case{background:linear-gradient(160deg,#10223f,#0c1a30);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.case .ct{font-size:13px;color:var(--cyan);font-weight:600;margin-bottom:4px}
.case h3{font-size:19px;margin-bottom:16px}
.case p{font-size:14px;color:var(--muted);margin-bottom:18px}
.meter{margin-bottom:14px}
.meter .ml{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:5px;gap:10px}
.meter .ml b{color:#fff;white-space:nowrap}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--cyan))}

/* loop */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.lp{text-align:center;background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:var(--radius);padding:28px 16px;position:relative}
.lp:not(:last-child)::after{content:"→";position:absolute;right:-14px;top:50%;transform:translateY(-50%);color:var(--blue-l);font-size:20px;z-index:2}
.lp .li{width:54px;height:54px;margin:0 auto 12px;border-radius:16px;background:linear-gradient(135deg,rgba(47,123,255,.3),rgba(57,208,216,.2));display:grid;place-items:center;font-size:24px}
.lp h4{font-size:16px;margin-bottom:4px}
.lp p{font-size:12.5px;color:var(--muted)}

/* FAQ */
.faq{max-width:820px;margin:44px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02);overflow:hidden}
.faq-q{width:100%;background:none;border:0;color:#fff;font-size:15.5px;font-weight:600;text-align:left;padding:19px 22px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:14px;font-family:inherit}
.faq-q .chev{transition:.3s;color:var(--blue-l);flex:0 0 auto}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14.5px}
.faq-a div{padding:0 22px 20px}

/* CTA */
.cta-sec{background:linear-gradient(160deg,#0d2140,#0a1628);border-top:1px solid var(--line)}
.cta-box{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.cta-form{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:22px;padding:34px}
.cta-form h3{font-size:20px;margin-bottom:6px}
.cta-form .fp{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.fgroup{margin-bottom:14px}
.fgroup input,.fgroup select,.fgroup textarea{width:100%;background:rgba(10,22,40,.6);border:1px solid var(--line);border-radius:12px;padding:13px 16px;color:#fff;font-size:15px;font-family:inherit;outline:none;transition:.2s}
.fgroup textarea{resize:vertical;min-height:96px}
.fgroup input:focus,.fgroup select:focus,.fgroup textarea:focus{border-color:var(--blue-l);box-shadow:0 0 0 3px rgba(47,123,255,.18)}
.fgroup select option{background:var(--navy2)}
.cta-form .btn{width:100%;justify-content:center}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}
.contact-line{display:flex;align-items:center;gap:14px;margin-top:18px;color:var(--muted);font-size:14px;flex-wrap:wrap}

/* article content */
.article{max-width:860px;margin:0 auto}
.article h2{font-size:clamp(22px,3.2vw,30px);margin:48px 0 14px}
.article h3{font-size:19px;margin:30px 0 10px;color:#dbe7fa}
.article p{color:var(--muted);margin-bottom:14px;font-size:15.5px}
.article ul,.article ol{color:var(--muted);margin:0 0 16px 22px;font-size:15px}
.article li{margin-bottom:6px}
.article strong{color:#dbe7fa}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 100px;color:var(--muted);font-size:13.5px;background:#081222}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-grid h5{color:#dbe7fa;font-size:14.5px;margin-bottom:14px}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot-grid a:hover{color:#fff}
.foot-brand p{margin-top:10px}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px}

/* float buttons */
.float-wx{position:fixed;right:18px;bottom:96px;z-index:99;display:flex;flex-direction:column;gap:10px}
.float-btn{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#5a5bf0);display:grid;place-items:center;font-size:22px;color:#fff;box-shadow:0 8px 24px rgba(47,123,255,.5);cursor:pointer;border:0;position:relative}
.float-btn .tip{position:absolute;right:60px;top:50%;transform:translateY(-50%);background:#fff;color:#123;padding:6px 14px;border-radius:8px;font-size:13px;white-space:nowrap;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.float-btn:hover .tip{opacity:1}

/* wechat modal */
.wx-modal{position:fixed;inset:0;background:rgba(4,10,20,.7);backdrop-filter:blur(6px);z-index:200;display:none;place-items:center;padding:20px}
.wx-modal.show{display:grid}
.wx-card{background:#fff;border-radius:20px;padding:30px;text-align:center;max-width:320px;width:100%;color:#123}
.wx-qr{width:210px;height:210px;margin:16px auto 8px;border-radius:14px;background:linear-gradient(135deg,#eaf2ff,#f4fbfa);display:grid;place-items:center;color:#5a7;border:1px dashed #bcd;overflow:hidden}
.wx-qr img{width:100%;height:100%;object-fit:cover}
.wx-close{margin-top:10px;background:#f0f3f8;border:0;border-radius:99px;padding:9px 28px;font-size:14px;cursor:pointer;color:#345}

/* toast */
.toast{position:fixed;left:50%;bottom:60px;transform:translateX(-50%) translateY(20px);background:#1dbf6b;color:#fff;padding:12px 26px;border-radius:99px;font-size:14.5px;opacity:0;transition:.35s;z-index:300;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* section tint helpers */
.tint-blue{background:linear-gradient(180deg,transparent,rgba(47,123,255,.04),transparent)}
.tint-cyan{background:linear-gradient(180deg,transparent,rgba(57,208,216,.045),transparent)}

/* responsive */
@media(max-width:980px){
  .engines{grid-template-columns:1fr 1fr}
  .split,.split.rev{grid-template-columns:1fr;gap:34px}
  .split.rev>.split-txt{order:0}
  .values{grid-template-columns:repeat(3,1fr)}
  .steps5{grid-template-columns:repeat(3,1fr)}
  .platforms{grid-template-columns:repeat(3,1fr)}
  .stat-cards{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr}
  .loop{grid-template-columns:1fr 1fr}
  .lp::after{display:none}
  .cta-box{grid-template-columns:1fr;gap:30px}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(10,22,40,.97);flex-direction:column;padding:18px 6%;gap:16px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a.active{border-bottom-color:transparent;color:var(--blue-l)}
  .burger{display:block}
  .nav-cta{display:none}
  .orbits{display:none}
  section{padding:64px 0}
  .agents{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .values{grid-template-columns:1fr 1fr}
  .steps5{grid-template-columns:1fr 1fr}
  .platforms{grid-template-columns:1fr 1fr}
  .hstat{min-width:46%;margin-bottom:14px;border-left:0;padding-left:0}
  .agents{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}