/* ==========================================================
   畅驰出行 · 赶飞机 GFJ — 新版官网（冷色调·科技感）
   Cool Tech Light Theme  |  2026
   ========================================================== */
:root{
  --bg:#f4f7fb;
  --bg-2:#e8eef7;
  --panel:#ffffff;
  --panel-soft:#f7fafd;
  --line:#dfe7f2;
  --line-strong:#c3d3e8;
  --txt:#12233d;
  --muted:#5c7a99;
  --muted-2:#8298b4;
  --brand:#1e6bff;
  --brand-2:#22d3ee;
  --brand-3:#0b3d91;
  --deep:#0a1729;
  --deep-2:#12263f;
  --grad:linear-gradient(120deg,#1e6bff 0%,#22d3ee 100%);
  --grad-soft:linear-gradient(120deg,rgba(30,107,255,.12),rgba(34,211,238,.14));
  --shadow:0 24px 60px -24px rgba(15,45,90,.28);
  --shadow-sm:0 10px 30px -14px rgba(15,45,90,.22);
  --radius:18px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit}

/* ---------- global backdrop ---------- */
.bg-fx{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.bg-fx .grid{
  position:absolute;inset:-2px;
  background-image:
    linear-gradient(rgba(45,110,200,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(45,110,200,.08) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 80%);
  animation:gridDrift 70s linear infinite;
}
/* 网格极缓流动：保留科技感，同时避免长时间盯控时的视觉干扰 */
@keyframes gridDrift{from{background-position:0 0}to{background-position:56px 56px}}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;animation:orbFloat 40s ease-in-out infinite;will-change:transform}
.orb.o1{width:560px;height:560px;top:-180px;left:-120px;background:radial-gradient(circle,rgba(34,211,238,.35),transparent 65%);animation-duration:38s;opacity:.5}
.orb.o2{width:520px;height:520px;top:120px;right:-160px;background:radial-gradient(circle,rgba(30,107,255,.22),transparent 65%);animation-duration:48s;animation-delay:-12s;opacity:.5}
.orb.o3{width:640px;height:640px;top:120%;left:35%;background:radial-gradient(circle,rgba(96,165,250,.20),transparent 65%);animation-duration:58s;animation-delay:-26s;opacity:.5}
@keyframes orbFloat{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  33%{transform:translate3d(28px,-22px,0) scale(1.05)}
  66%{transform:translate3d(-22px,18px,0) scale(.96)}
}
@media (prefers-reduced-motion:reduce){
  .bg-fx .grid,.orb{animation:none!important}
  .cta-band::before,.cta-band::after,.cta-band .grad-text,.cta-band .cta-tel,
  .cta-grid,.cta-grid::after{animation:none!important}
  .cta-grid::after{display:none}
}

/* ---------- layout ---------- */
.wrap{width:min(var(--wrap,1200px),92%);margin:0 auto}
section{position:relative;padding:96px 0}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:#fff;
  font-size:13px;letter-spacing:2px;color:var(--brand);
  box-shadow:var(--shadow-sm);
}
.kicker i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(30,107,255,.8);animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.sec-head{max-width:760px;margin:0 auto 56px;text-align:center}
.sec-head h2{
  font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.25;margin:18px 0 14px;letter-spacing:.5px;
}
.sec-head p{color:var(--muted);font-size:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hair{width:64px;height:3px;border-radius:3px;background:var(--grad);margin:18px auto 0;position:relative;overflow:hidden}
.hair::after{content:"";position:absolute;inset:0;background:#fff;opacity:.8;transform:translateX(-100%);animation:hairline 3s ease-in-out infinite}
@keyframes hairline{60%,100%{transform:translateX(100%)}}

/* ---------- buttons ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:12px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;letter-spacing:1px;overflow:hidden;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px -10px rgba(30,107,255,.55)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-20deg);animation:shine 3.6s ease-in-out infinite;
}
@keyframes shine{0%,55%{left:-80%}85%,100%{left:130%}}
.btn-ghost{
  background:#fff;color:var(--txt);border:1px solid var(--line-strong);
  box-shadow:var(--shadow-sm);
}
.btn:hover{transform:translateY(-3px)}
.btn-primary:hover{box-shadow:0 18px 40px -10px rgba(30,107,255,.7)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s ease,border-color .35s ease,padding .35s ease,box-shadow .35s;
  border-bottom:1px solid transparent;padding:18px 0;
}
.site-header.scrolled{
  background:rgba(244,247,251,.88);border-bottom-color:var(--line);
  backdrop-filter:blur(18px);padding:10px 0;box-shadow:0 8px 30px -18px rgba(15,45,90,.3);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{
  height:40px;width:auto;display:block;flex:none;box-sizing:content-box;
  padding:6px 12px;background:#f0f5fc;border-radius:12px;
  box-shadow:0 6px 18px -8px rgba(15,45,90,.4);
  transition:transform .3s ease;
}
.brand:hover .brand-logo{transform:scale(1.04)}
.brand b{font-size:19px;letter-spacing:1px;display:block;line-height:1.2;white-space:nowrap}
.brand small{display:block;font-size:10.5px;letter-spacing:3.5px;color:var(--muted-2);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 16px;border-radius:10px;font-size:14.5px;color:var(--muted);
  position:relative;transition:color .25s;white-space:nowrap;
}
.nav-links a::before{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--txt)}
.nav-links a.active::before,.nav-links a:hover::before{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-tel{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);white-space:nowrap}
.nav-tel b{color:var(--brand);font-size:15px;letter-spacing:.5px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{min-height:min(100vh,900px);display:flex;align-items:center;padding:150px 0 90px}
#stars{position:absolute;inset:0;z-index:-1;opacity:1;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(36px,5.4vw,62px);line-height:1.18;font-weight:800;letter-spacing:1px;
  margin:26px 0 10px;
}
.hero h1 .line{display:block}
.hero .tagline{font-size:clamp(16px,1.8vw,19px);color:var(--muted);margin:16px 0 30px;letter-spacing:.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:42px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges span{
  padding:8px 15px;border-radius:999px;font-size:13px;color:var(--muted);
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);
}
.hero-badges b{color:var(--brand);font-weight:700}

/* hero visual */
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:26px;overflow:hidden;
  border:1px solid #fff;
  background:#fff;
  box-shadow:var(--shadow);
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-frame img{width:100%;height:460px;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(10,23,41,.55));
}
.frame-chip{
  position:absolute;z-index:2;display:flex;align-items:center;gap:12px;
  padding:13px 17px;border-radius:16px;
  background:rgba(247,251,255,.92);border:1px solid #fff;
  box-shadow:0 18px 40px -18px rgba(12,35,70,.45);
}
.frame-chip .ico{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:var(--grad-soft);border:1px solid var(--line-strong);font-size:18px;color:var(--brand);
}
.frame-chip b{display:block;font-size:15px;color:var(--txt)}
.frame-chip small{color:var(--muted);font-size:12px}
.chip-price{bottom:22px;left:22px}
.chip-price .price{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.chip-status{top:22px;right:22px}
.chip-status .dot{width:9px;height:9px;border-radius:50%;background:#2fae6e;box-shadow:0 0 12px rgba(13,148,136,.8);animation:blink 1.6s infinite}
.frame-ring{
  position:absolute;width:180px;height:180px;border-radius:50%;
  border:1px dashed rgba(30,107,255,.35);animation:spin 22s linear infinite;
}
.frame-ring.r1{top:-46px;left:-46px}
.frame-ring.r2{bottom:-56px;right:-56px;border-style:solid;border-color:rgba(34,211,238,.3)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- marquee ---------- */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:#fff;overflow:hidden;padding:18px 0;
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{display:flex;gap:56px;width:max-content;animation:scrollx 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:flex;align-items:center;gap:12px;font-size:15px;letter-spacing:2px;color:var(--muted);white-space:nowrap}
.marquee-track span::before{content:"✦";color:var(--brand);font-size:12px}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{
  text-align:center;padding:38px 20px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
  position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s;
  box-shadow:var(--shadow-sm);
}
.stat::before{
  content:"";position:absolute;top:0;left:20%;right:20%;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
  opacity:0;transition:opacity .3s;
}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.stat:hover::before{opacity:1}
.stat .num{
  font-size:clamp(34px,4vw,48px);font-weight:800;letter-spacing:1px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat .unit{font-size:18px;font-weight:700}
.stat p{color:var(--muted);font-size:14px;margin-top:8px;letter-spacing:1px}

/* ---------- cards ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  padding:34px 28px;border-radius:var(--radius);position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .35s ease,box-shadow .35s ease;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .35s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(34,211,238,.14),transparent 42%);
  pointer-events:none;
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.card .ico{
  width:54px;height:54px;border-radius:15px;display:grid;place-items:center;margin-bottom:22px;
  background:var(--grad-soft);border:1px solid var(--line-strong);font-size:24px;
  transition:transform .35s ease;
}
.card:hover .ico{transform:scale(1.08) rotate(-6deg)}
.card h3{font-size:19px;margin-bottom:12px;letter-spacing:1px}
.card p{color:var(--muted);font-size:14.5px}
.card .tag{
  display:inline-block;margin-top:18px;font-size:12.5px;color:var(--brand);
  padding:5px 12px;border-radius:999px;border:1px solid rgba(30,107,255,.35);background:rgba(30,107,255,.06);letter-spacing:1px;
}

/* ---------- flow (route animation) ---------- */
.flow-box{
  border-radius:22px;border:1px solid var(--line);background:#fff;
  padding:56px 40px 40px;overflow:hidden;position:relative;box-shadow:var(--shadow-sm);
}
.flow-path{width:100%;height:auto;display:block}
.flow-path .track{stroke:rgba(45,110,200,.35);stroke-width:2;stroke-dasharray:7 8}
.flow-path .run{stroke:url(#flowGrad);stroke-width:2.6;fill:none;stroke-dasharray:var(--run-dash,200px 850px);animation:dashrun 5.2s linear infinite}
/* JS 会按 getTotalLength 注入精确值；默认值按路径长约 1050 估算（周期 1250 = 位移 1250，循环无缝） */
@keyframes dashrun{from{stroke-dashoffset:var(--run-from,200px)}to{stroke-dashoffset:var(--run-to,-1050px)}}
.flow-path text{fill:var(--muted)}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.step{text-align:center;position:relative}
.step .s-ico{
  width:58px;height:58px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-size:22px;
  background:var(--panel-soft);border:1px solid var(--line-strong);
  position:relative;transition:.3s;
}
.step:hover .s-ico{border-color:var(--brand);box-shadow:0 0 24px -6px rgba(30,107,255,.5);transform:translateY(-4px)}
.step .s-ico::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid rgba(30,107,255,.4);animation:pulse 2.4s ease-out infinite;animation-delay:calc(var(--i)*.5s);
}
@keyframes pulse{0%{transform:scale(.85);opacity:1}100%{transform:scale(1.5);opacity:0}}
.step h4{font-size:16px;letter-spacing:1px;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}

/* ---------- fleet ---------- */
.fleet-card{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s;
  transform-style:preserve-3d;will-change:transform;
}
.fleet-card:hover{box-shadow:0 30px 60px -24px rgba(30,107,255,.4)}
.fleet-media{position:relative;overflow:hidden;aspect-ratio:16/7.4;background:var(--bg-2)}
.fleet-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.fleet-card:hover .fleet-media img{transform:scale(1.07)}
.fleet-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,23,41,.45))}
.fleet-price{
  position:absolute;top:16px;left:16px;z-index:2;padding:9px 16px;border-radius:12px;
  background:rgba(247,251,255,.94);box-shadow:0 8px 20px -8px rgba(12,35,70,.4);
  display:flex;align-items:baseline;gap:4px;
}
.fleet-price small{color:var(--muted);font-size:11px}
.fleet-price b{font-size:20px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fleet-cat{
  position:absolute;top:16px;right:16px;z-index:2;padding:6px 13px;border-radius:999px;font-size:12px;letter-spacing:1px;
  background:rgba(247,251,255,.94);color:var(--brand);font-weight:600;
  box-shadow:0 8px 20px -8px rgba(12,35,70,.4);
}
.fleet-body{padding:24px 24px 26px}
.fleet-body h3{font-size:20px;letter-spacing:1px;display:flex;align-items:center;gap:10px}
.stars{color:#0ea5e9;font-size:13px;letter-spacing:2px}
.fleet-body p{color:var(--muted);font-size:13.5px;margin-top:10px}
.fleet-feats{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.fleet-feats span{font-size:12px;padding:5px 11px;border-radius:8px;background:var(--bg-2);border:1px solid var(--line);color:var(--muted)}
.fleet-feats span.yes{color:#0d9488;border-color:rgba(13,148,136,.4);background:rgba(13,148,136,.08)}

/* ---------- why / feature list ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.why-item{
  display:flex;gap:20px;padding:28px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.35s;
}
.why-item:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.why-item .no{
  font-size:34px;font-weight:800;line-height:1;flex:none;width:64px;
  background:linear-gradient(180deg,var(--brand),rgba(30,107,255,.25));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.why-item h4{font-size:17px;margin-bottom:8px;letter-spacing:1px}
.why-item p{color:var(--muted);font-size:14px}

/* quote band */
.quote-band{
  margin-top:52px;padding:44px;border-radius:22px;text-align:center;position:relative;overflow:hidden;
  border:1px solid rgba(30,107,255,.3);
  background:linear-gradient(130deg,rgba(34,211,238,.16),rgba(30,107,255,.10)),#fff;
  box-shadow:var(--shadow-sm);
}
.quote-band::before{
  content:"";position:absolute;top:-60%;left:-10%;width:40%;height:220%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.75),transparent);
  transform:rotate(12deg);animation:sweep 6s ease-in-out infinite;
}
@keyframes sweep{0%,60%{left:-40%}100%{left:130%}}
.quote-band h3{font-size:clamp(20px,2.6vw,28px);letter-spacing:1px;position:relative}
.quote-band p{color:var(--muted);margin-top:12px;position:relative}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:900px;margin:0 auto;padding:10px 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,rgba(30,107,255,.45),rgba(34,211,238,.45),transparent);
}
.tl-item{position:relative;width:calc(50% - 44px);padding:24px 26px;margin-bottom:28px;
  border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.35s}
.tl-item:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.tl-item:nth-child(odd){margin-left:auto}
.tl-item::after{
  content:"";position:absolute;top:32px;width:12px;height:12px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 14px rgba(30,107,255,.8);
}
.tl-item:nth-child(odd)::after{left:-51px}
.tl-item:nth-child(even)::after{right:-51px}
.tl-item .year{font-size:26px;font-weight:800;letter-spacing:1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tl-item h4{font-size:16px;margin:8px 0 6px}
.tl-item p{font-size:13.5px;color:var(--muted)}

/* ---------- testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi{
  padding:30px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  position:relative;transition:.35s;box-shadow:var(--shadow-sm);
}
.testi:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.testi .q{font-size:52px;line-height:.6;color:rgba(30,107,255,.3);font-family:Georgia,serif}
.testi p{color:var(--muted);font-size:14.5px;margin:18px 0 20px}
.testi .who{display:flex;align-items:center;gap:12px}
.testi .avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:16px;
  background:var(--grad-soft);border:1px solid var(--line-strong);
}
.testi .who b{display:block;font-size:14px}
.testi .who small{color:var(--muted-2);font-size:12px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
/* 动态渲染的资讯卡与分页 */
.news-loading{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 0;font-size:14px}
.news-card.pop-in{animation:cardIn .5s cubic-bezier(.2,.7,.2,1) both}
@keyframes cardIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.news-card.pop-in{animation:none}}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.pager .pg{
  min-width:38px;height:38px;padding:0 13px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;border:1px solid var(--line-strong);background:#fff;color:var(--txt);
  font-size:14px;cursor:pointer;transition:.25s;text-decoration:none;
}
.pager .pg:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.pager .pg.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 24px -10px rgba(30,107,255,.6);font-weight:600}
.pager .pg[disabled]{opacity:.42;pointer-events:none}
.pager .pg.dots{border:0;background:none;cursor:default;color:var(--muted-2)}
.news-more{display:flex;justify-content:center;margin-top:38px}
.news-more .btn{padding:13px 34px;font-size:15px}
.news-more .btn:hover{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 14px 32px -12px rgba(30,107,255,.55)}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.35s;
}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.news-cover{height:200px;position:relative;overflow:hidden;background:var(--bg-2)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.news-card:hover .news-cover img{transform:scale(1.06)}
.news-cover .date{
  position:absolute;top:14px;left:14px;z-index:2;padding:5px 12px;border-radius:9px;font-size:12px;
  background:rgba(247,251,255,.94);color:var(--muted);box-shadow:0 6px 16px -8px rgba(12,35,70,.4);
}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;line-height:1.5;margin-bottom:12px}
.news-body p{color:var(--muted);font-size:13.5px;flex:1}
.news-body .more{margin-top:18px;font-size:13.5px;color:var(--brand);letter-spacing:1px;font-weight:600}
.news-card:hover .more .arr{transform:translateX(6px)}
.more .arr{display:inline-block;transition:transform .3s}

/* ---------- article page ---------- */
.article-wrap{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow-sm);padding:56px 60px}
.article-head h1{font-size:clamp(24px,3.2vw,34px);line-height:1.4;margin:16px 0 14px}
.article-head .meta{color:var(--muted-2);font-size:13px;letter-spacing:1px;padding-bottom:22px;border-bottom:1px dashed var(--line-strong)}
.article-cover{border-radius:16px;overflow:hidden;margin:28px 0 8px;box-shadow:var(--shadow-sm)}
.article-body{padding-top:10px}
/* 以下编辑器默认样式只作用于"没有内联样式"的元素，避免覆盖公众号贴文的自身样式 */
.article-body h3:not([style]){font-size:20px;margin:38px 0 16px;letter-spacing:1px;position:relative;padding-left:16px;color:#16345f;font-weight:700}
.article-body h3:not([style])::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:5px;border-radius:4px;background:var(--grad)}
.article-body p{color:#4b5c70;font-size:16px;line-height:1.9;margin-bottom:18px}
.article-body p b:not([style]),.article-body p strong{color:#1c3f6e;font-weight:600}
/* 公众号贴文兜底：图片/块级元素不超出容器 */
.article-body img{display:block;max-width:100%;height:auto;margin:22px auto;border-radius:12px;box-shadow:var(--shadow-sm)}
/* 微信小图标（定位图钉、序号等）：不放大、不加圆角阴影 */
.article-body img.wx-ico{margin:10px auto;border-radius:0;box-shadow:none}
.article-body section,.article-body div,.article-body figure{max-width:100%}
/* 抵消全局 section{padding:96px} 对公众号贴文的影响（贴文自带内联样式时会覆盖回来） */
.article-body section{position:static;padding:0}
/* ---------- 公众号粘贴内容规范化（只修微信内联样式的坏味道，不动配色装饰） ---------- */
/* 1) line-height:0 会让行盒高度归零 → 文字互相叠压/贴图，全部恢复正常行高 */
.article-body section[style*="line-height: 0"],.article-body span[style*="line-height: 0"],
.article-body section[style*="line-height:0"],.article-body span[style*="line-height:0"],
.article-body p[style*="line-height: 0"],.article-body p[style*="line-height:0"]{line-height:normal!important;vertical-align:top}
/* 2) 微信强制 1080px 的图片：max-width 与 width 同为 !important 时取较小值，解除裁切完整显示 */
.article-body img{max-width:100%!important;height:auto!important}
/* 3) 固定像素宽容器（如 631px）：放开为弹性收缩，不再横向溢出 */
.article-body section[style*="width: 631px"],.article-body section[style*="width:631px"]{width:auto!important;max-width:100%!important}
/* 4) 固定高度 + 裁切的装饰条/横幅：解除裁切，内容完整呈现 */
.article-body section[style*="overflow: hidden"][style*="height:"],
.article-body div[style*="overflow: hidden"][style*="height:"]{overflow:visible!important;height:auto!important;min-height:0!important}
/* 5) 微信装饰背景图（地图剪影/水印 PNG，qpic CDN）在官网容器中被平铺+裁切成乱码残影 → 去掉背景装饰，保留文字与正文图 */
.article-body section[style*="overflow: hidden"][style*="background-image: url"],
.article-body div[style*="overflow: hidden"][style*="background-image: url"],
.article-body section[style*=".qpic.cn"],
.article-body div[style*=".qpic.cn"]{background-image:none!important;overflow:visible!important}
/* 6) 居中段落叠加首行缩进观感怪异：居中时不缩进 */
.article-body p[style*="text-indent"][style*="center"]{text-indent:0!important}
/* 7) 公众号"缎带标题"规范化：蓝色胶囊(rgb(0,49,224))+黄角标(rgb(255,217,8))+不对称圆角 → 站点统一小节标题 */
.article-body section[style*="rgb(255, 217, 8)"],
.article-body section[style*="rgb(255,217,8)"]{display:none!important}
.article-body section[style*="rgb(0, 49, 224)"],
.article-body section[style*="rgb(0,49,224)"]{
  display:block!important;background:transparent!important;border-radius:0!important;
  padding:0!important;margin:30px 0 16px!important;text-align:center!important;
  box-shadow:none!important;width:auto!important;height:auto!important}
.article-body section[style*="rgb(0, 49, 224)"] *,
.article-body section[style*="rgb(0,49,224)"] *{
  color:var(--brand-deep,#16345f)!important;font-size:18px!important;font-weight:700!important;
  letter-spacing:1px!important;background:none!important}
.article-body section[style*="rgb(0, 49, 224)"] p,
.article-body section[style*="rgb(0,49,224)"] p{margin:0!important;padding:0!important;line-height:1.5!important}
/* 7b) 缎带标题下加一条渐变分隔线，弱化"贴纸感"、与官网小节标题风格统一 */
.article-body section[style*="rgb(0, 49, 224)"]::after{
  content:"";display:block;width:56px;height:3px;margin:12px auto 0;border-radius:2px;
  background:linear-gradient(90deg,#0ea5e9,#5c8ad0)}
.article-body table{max-width:100%;border-collapse:collapse}
.article-body .lead{font-size:17px;color:var(--txt);font-weight:600;background:var(--grad-soft);border-left:4px solid var(--brand);padding:16px 20px;border-radius:0 12px 12px 0;margin-bottom:8px}
.article-fig{margin:26px 0}
.article-fig img{width:100%;border-radius:14px;box-shadow:var(--shadow-sm)}
.article-fig.shot img{width:auto;max-width:340px;margin:0 auto}
.article-fig figcaption{text-align:center;color:var(--muted-2);font-size:12.5px;margin-top:10px}
.tips-box{background:var(--panel-soft);border:1px dashed var(--line-strong);border-radius:14px;padding:22px 26px;margin:26px 0}
.tips-box b{color:var(--brand)}
.tips-box p{margin-bottom:6px}
.book-box{background:linear-gradient(130deg,rgba(34,211,238,.14),rgba(30,107,255,.10)),#fff;border:1px solid rgba(30,107,255,.3);border-radius:16px;padding:24px 28px;margin-top:30px;text-align:center}
.book-box b{font-size:18px}
.book-box .tel{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:1px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:26px;border-top:1px dashed var(--line-strong)}
.article-nav a{font-size:14px;color:var(--muted);padding:10px 18px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.3s}
.article-nav a:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px)}

/* ---------- CTA band ---------- */
.section-cta{padding:14px 0 100px}
.cta-band{
  border-radius:26px;padding:64px 48px;text-align:center;position:relative;overflow:hidden;
  color:#fff;
  background:linear-gradient(135deg,#0b3d91 0%,#1e6bff 48%,#22d3ee 100%);
  box-shadow:0 30px 70px -30px rgba(30,107,255,.55);
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50%;border:1.5px solid rgba(255,255,255,.22);
}
.cta-band::before{width:340px;height:340px;top:-160px;right:-90px;animation:ctaOrbA 9s ease-in-out infinite alternate}
.cta-band::after{width:240px;height:240px;bottom:-130px;left:-70px;animation:ctaOrbB 11s ease-in-out infinite alternate}
@keyframes ctaOrbA{from{transform:translate(0,0) scale(1);opacity:.9}to{transform:translate(-30px,22px) scale(1.1);opacity:.55}}
@keyframes ctaOrbB{from{transform:translate(0,0) scale(1);opacity:.7}to{transform:translate(24px,-18px) scale(1.12);opacity:.45}}
.cta-band h2{font-size:clamp(26px,3.6vw,40px);letter-spacing:1px;color:#fff}
.cta-band p{color:rgba(255,255,255,.88);margin:14px auto 34px;max-width:560px}
.cta-tel{
  display:inline-flex;align-items:center;gap:14px;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:2px;color:#fff;
  animation:ctaGlow 3.8s ease-in-out infinite;
}
@keyframes ctaGlow{
  0%,100%{text-shadow:0 0 16px rgba(255,255,255,.25)}
  50%{text-shadow:0 0 30px rgba(170,228,255,.65),0 0 60px rgba(120,200,255,.3)}
}
.cta-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:30px;position:relative;z-index:1}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);box-shadow:none;backdrop-filter:blur(4px)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.22)}
.cta-band .btn-primary{background:#fff;color:#0b3d91;box-shadow:0 14px 34px -12px rgba(6,32,78,.45)}
.cta-band .btn-primary:hover{filter:none;background:#eef4fb}
.cta-band h2,.cta-band p,.cta-tel{position:relative;z-index:1}
/* 高亮词：亮白-浅青流光（之前 text-shadow 透过透明文字显脏，已去除） */
.cta-band .grad-text{
  background:linear-gradient(110deg,#ffffff 0%,#bfeaff 25%,#ffffff 50%,#9fdeff 75%,#ffffff 100%);
  background-size:240% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:ctaSheen 5.5s linear infinite;
}
@keyframes ctaSheen{from{background-position:200% 0}to{background-position:-100% 0}}
/* CTA 内部细网格：缓慢漂移 + 一道斜向扫光，增强科技感 */
.cta-grid{
  position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.2;
  background-image:
    linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,#000 20%,transparent 78%);
  animation:ctaGrid 24s linear infinite;
}
@keyframes ctaGrid{from{background-position:0 0}to{background-position:44px 44px}}
.cta-grid::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.16) 50%,transparent 60%);
  transform:translateX(-130%);
  animation:ctaSweep 7.5s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes ctaSweep{0%{transform:translateX(-130%)}55%,100%{transform:translateX(130%)}}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--deep-2);background:var(--deep);color:#ccd9ea;padding:70px 0 30px;margin-top:0}
.site-footer .brand-logo{box-shadow:0 10px 26px -12px rgba(0,0,0,.55)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.45fr;gap:44px}
.footer-grid h4{font-size:15px;letter-spacing:2px;margin-bottom:20px;color:#f0f5fc}
.footer-grid p,.footer-grid a{color:rgba(198,216,240,.78);font-size:13.5px;display:block;margin-bottom:10px}
.footer-grid a:hover{color:#38bdf8}
.qr-box{display:flex;flex-wrap:wrap;gap:14px 12px}
.qr-box img{width:88px;height:88px;border-radius:12px;padding:5px;background:#fff;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.qr-box small{color:rgba(198,216,240,.62);font-size:11.5px;display:block;margin-top:6px;text-align:center}
.copyright{
  margin-top:50px;padding-top:24px;border-top:1px solid rgba(150,185,235,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:rgba(217,205,185,.5);font-size:12.5px;
}
.copyright a:hover{color:#38bdf8}

/* ---------- back to top & float ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:14px;z-index:90;
  display:grid;place-items:center;cursor:pointer;
  background:#fff;border:1px solid var(--line-strong);color:var(--brand);
  box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:.35s;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--grad);color:#fff;transform:translateY(-4px)}
.float-contact a svg,.to-top svg{width:20px;height:20px;display:block}
.float-contact{position:fixed;right:26px;bottom:88px;z-index:90;display:flex;flex-direction:column;gap:12px}
.float-contact a{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;
  background:#fff;border:1px solid var(--line-strong);color:var(--brand);
  box-shadow:var(--shadow-sm);transition:.3s;position:relative;
}
.float-contact a:hover{background:var(--grad);color:#fff;transform:scale(1.08)}
.float-contact a .pop{
  position:absolute;right:60px;top:50%;transform:translateY(-50%);white-space:nowrap;
  padding:8px 14px;border-radius:10px;font-size:12.5px;color:var(--txt);
  background:#fff;border:1px solid var(--line-strong);box-shadow:var(--shadow-sm);
  opacity:0;pointer-events:none;transition:.25s;
}
.float-contact a:hover .pop{opacity:1;right:64px}

/* ---------- contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;grid-template-rows:auto 1fr;gap:14px 32px}
.contact-head{grid-column:1;grid-row:1}
.contact-info{grid-column:1;grid-row:2;display:flex;flex-direction:column;gap:10px}
.contact-info .scan-card{margin-top:auto}
.scan-card{
  margin-top:4px;padding:14px 16px;border-radius:16px;
  background:linear-gradient(135deg,#eef4fb,#e3ecf8);
  border:1px solid var(--line-strong);
}
.scan-card h4{font-size:14.5px;letter-spacing:1px;margin-bottom:10px;color:#8a5a24;display:flex;align-items:center;gap:8px}
.scan-ico{display:inline-flex;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#1e6bff,#22d3ee);color:#fff;font-size:14px;align-items:center;justify-content:center}
.scan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.scan-grid a{text-align:center;transition:transform .3s}
.scan-grid a:hover{transform:translateY(-4px)}
.scan-grid img{display:block;margin:0 auto;width:100%;max-width:84px;aspect-ratio:1;object-fit:cover;border-radius:12px;padding:6px;background:#fff;box-shadow:0 10px 24px -10px rgba(150,90,20,.35)}
.scan-grid small{display:block;margin-top:7px;font-size:12.5px;color:var(--muted);font-weight:600}
.form-card{grid-column:2;grid-row:2}
.info-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin-top:0}
.info-item:nth-child(1){grid-column:1;grid-row:1}
.info-item:nth-child(2){grid-column:2;grid-row:1}
.info-item:nth-child(3){grid-column:1;grid-row:2}
.info-item:nth-child(4){grid-column:2;grid-row:2}
.info-item:nth-child(5){grid-column:1/-1;grid-row:3}
.info-item{
  display:flex;gap:13px;padding:11px 16px;border-radius:13px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.3s;
  align-items:center;
}
.info-item:hover{border-color:var(--line-strong);transform:translateX(6px)}
.info-item .ico{
  width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;font-size:17px;
  background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--brand);
}
.info-item b{display:block;font-size:14.5px;margin-bottom:2px}
.info-item span{color:var(--muted);font-size:13px}
.form-card{
  padding:22px 26px;border-radius:18px;background:#fff;border:1px solid var(--line-strong);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
}
.form-card form{flex:1;display:flex;flex-direction:column}
.form-card form .btn{margin-top:auto}
.form-card .field:has(textarea){flex:1;display:flex;flex-direction:column}
.form-card .field textarea{flex:1;min-height:80px}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card>p{color:var(--muted);font-size:13.5px;margin-bottom:14px}
.field{margin-bottom:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.form-row .field{min-width:0}
.field select{
  width:100%;padding:13px 16px;border-radius:11px;color:var(--txt);font-size:14.5px;font-family:inherit;
  background:var(--panel-soft);border:1px solid var(--line);outline:none;transition:.3s;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field select:focus{border-color:var(--brand);background-color:#fff}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;letter-spacing:1px}
.field input,.field textarea{
  width:100%;padding:11px 15px;border-radius:11px;color:var(--txt);font-size:14.5px;font-family:inherit;
  background:var(--panel-soft);border:1px solid var(--line);outline:none;transition:.3s;
}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,107,255,.14)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:12px;color:var(--muted-2);margin-top:14px;text-align:center}
.toast{
  position:fixed;left:50%;top:96px;transform:translate(-50%,-24px);z-index:300;
  padding:15px 32px;border-radius:14px;font-size:15.5px;font-weight:600;letter-spacing:.5px;
  opacity:0;pointer-events:none;transition:.4s cubic-bezier(.2,.9,.3,1.2);
  background:linear-gradient(120deg,#0d9488,#0d9488);color:#fff;border:0;
  box-shadow:0 18px 44px -14px rgba(13,148,136,.6);
  display:flex;align-items:center;gap:9px;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:linear-gradient(120deg,#d0453a,#b93328);box-shadow:0 18px 44px -14px rgba(192,57,43,.6)}

/* ---------- page hero (subpages) ---------- */
.page-hero{padding:160px 0 60px;text-align:center;position:relative}
.page-hero.has-bg{color:#fff;padding:185px 0 70px;overflow:hidden}
.page-hero.has-bg .hero-bg{
  position:absolute;inset:0;
  background:var(--hero-img,none) center/cover no-repeat;
  animation:heroZoom 20s ease-in-out infinite alternate;
}
.page-hero.has-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,23,41,.52) 0%,rgba(10,23,41,.3) 45%,rgba(10,23,41,.58) 100%);
}
.page-hero.has-bg .wrap{position:relative;z-index:1}
.page-hero.has-bg .crumbs,.page-hero.has-bg .crumbs a{color:rgba(255,255,255,.78)}
.page-hero.has-bg .crumbs a:hover{color:#7dd3fc}
.page-hero.has-bg h1{color:#fff;text-shadow:0 4px 26px rgba(0,0,0,.4)}
.page-hero.has-bg p{color:rgba(255,255,255,.9);text-shadow:0 2px 14px rgba(0,0,0,.4)}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.08)}}
body:has(.page-hero.has-bg) .site-header:not(.scrolled) .brand b{color:#fff}
body:has(.page-hero.has-bg) .site-header:not(.scrolled) .brand small{color:rgba(255,255,255,.65)}
body:not(.nav-open):has(.page-hero.has-bg) .site-header:not(.scrolled) .nav-links a{color:rgba(255,255,255,.88)}
body:not(.nav-open):has(.page-hero.has-bg) .site-header:not(.scrolled) .nav-links a.active{color:#fff}
body:has(.page-hero.has-bg) .site-header:not(.scrolled) .nav-tel{color:rgba(255,255,255,.85)}
body:has(.page-hero.has-bg) .site-header:not(.scrolled) .nav-tel b{color:#7dd3fc}
.page-hero h1{font-size:clamp(32px,4.6vw,52px);letter-spacing:1px;margin:20px 0 12px}
.page-hero p{color:var(--muted);max-width:680px;margin:0 auto}
.page-hero-media{
  max-width:960px;margin:44px auto 0;border-radius:22px;overflow:hidden;position:relative;
  border:1px solid #fff;box-shadow:var(--shadow);
}
.page-hero-media img{width:100%;height:400px;object-fit:cover}
.page-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(10,23,41,.28))}
.crumbs{font-size:13px;color:var(--muted-2);letter-spacing:1px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}

/* ---------- about page ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .visual{
  border-radius:22px;overflow:hidden;border:1px solid #fff;box-shadow:var(--shadow);position:relative;
}
.split .visual img{width:100%;height:440px;object-fit:cover}
.split h2{font-size:clamp(26px,3.4vw,36px);line-height:1.35;margin-bottom:20px}
.split p{color:var(--muted);font-size:15px;margin-bottom:16px}
.pill-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.pill-list span{
  padding:12px 16px;border-radius:11px;font-size:13.5px;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;gap:9px;box-shadow:var(--shadow-sm);
}
.pill-list span::before{content:"◈";color:var(--brand)}

/* platform duo */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.duo-card{
  padding:40px;border-radius:22px;border:1px solid var(--line);position:relative;overflow:hidden;
  background:linear-gradient(160deg,#f7fafd,#eef4fb);box-shadow:var(--shadow-sm);transition:.35s;
}
.duo-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.duo-card .big{font-size:44px;font-weight:800;letter-spacing:1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.duo-card h3{font-size:20px;margin:10px 0 12px}
.duo-card p{color:var(--muted);font-size:14px}
.duo-card ul{margin-top:18px}
.duo-card li{font-size:13.5px;color:var(--muted);padding:7px 0;display:flex;gap:10px}
.duo-card li::before{content:"→";color:var(--brand)}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.left{transform:translateX(-46px)}
.reveal.right{transform:translateX(46px)}
.reveal.zoom{transform:scale(.92)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}
.reveal.d2{transition-delay:.2s}
.reveal.d3{transition-delay:.3s}
.reveal.d4{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
  .page-hero.has-bg::before{animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .burger{display:flex;position:relative;z-index:2}
  .nav-tel{display:none}
  .brand,.nav-cta{position:relative;z-index:2}
  .nav-links{
    display:flex;position:fixed;top:0;right:-100%;width:min(340px,86vw);height:100vh;
    background:linear-gradient(175deg,#f7fafd 0%,#eaf1fa 60%,#e6eef8 100%);
    backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;gap:8px;padding:92px 22px 30px;
    border-left:1px solid var(--line);box-shadow:-30px 0 80px -30px rgba(15,45,90,.4);
    transition:right .4s cubic-bezier(.2,.7,.2,1);
    overflow-y:auto;
  }
  .nav-links::before{
    content:"导航菜单";display:block;font-size:11.5px;letter-spacing:4px;
    color:var(--muted-2);padding:0 18px;margin-bottom:10px;
  }
  .nav-links::after{
    content:"24 小时客服热线 ☏ 0756-6986666";display:block;margin-top:auto;
    font-size:12.5px;color:var(--muted);padding:16px 18px 0;
    border-top:1px dashed var(--line-strong);letter-spacing:.5px;
  }
  .nav-links.open{right:0}
  .nav-links a{
    font-size:16.5px;font-weight:500;width:100%;padding:14px 18px;
    border-radius:13px;border:1px solid transparent;background:transparent;
    display:flex;align-items:center;justify-content:space-between;
    color:var(--txt)!important;
  }
  .nav-links a::before{display:none}
  .nav-links a::after{content:"›";font-size:19px;color:var(--muted-2);transition:.25s}
  .nav-links a:hover,.nav-links a.active{
    background:var(--grad-soft);border-color:var(--line);color:var(--brand-3)!important;font-weight:600;
  }
  .nav-links a:hover::after,.nav-links a.active::after{color:var(--brand);transform:translateX(3px)}
  body.nav-open{overflow:hidden}
}
@media (max-width:430px){
  .brand b{font-size:16.5px}
  .brand-logo{height:34px;padding:5px 10px}
  .brand small{font-size:9.5px;letter-spacing:2px}
  .nav-cta{gap:10px}
  .nav-cta .btn{padding:10px 14px!important;font-size:13px!important;white-space:nowrap}
  .nav-links{padding:84px 18px 26px}
  .nav-links::after{font-size:11.5px;padding:14px 14px 0}
}
@media (max-width:1024px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-rows:none}
  .contact-head,.contact-info,.form-card{grid-column:auto;grid-row:auto}
  .contact-info{display:flex;flex-direction:column}
  .info-list{grid-template-columns:1fr}
  .info-item:nth-child(n){grid-column:auto;grid-row:auto}
  .contact-info .scan-card{margin-top:0}
  .hero-grid{gap:40px}
  .hero-visual{max-width:none;margin:0}
  .hero-frame img{height:440px}
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .cards-3,.testi-grid,.news-grid,.duo{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .timeline::before{left:8px}
  .tl-item{width:calc(100% - 40px);margin-left:40px!important}
  .tl-item::after{left:-38px!important;right:auto!important}
  .article-wrap{padding:40px 32px}
}
@media (max-width:720px){
  section{padding:70px 0}
  .section-cta{padding:8px 0 70px}
  .cards-3,.cards-4,.testi-grid,.news-grid,.duo,.why-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr 1fr}
  .flow-box{padding:40px 22px 30px}
  .hero{min-height:auto;padding:118px 0 54px}
  .hero-grid{gap:34px}
  .hero h1{font-size:clamp(30px,8.4vw,38px);margin:14px 0 6px;letter-spacing:.5px}
  .hero .tagline{font-size:15px;margin:12px 0 22px}
  .hero-actions{gap:12px;margin-bottom:26px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;padding:14px 18px}
  .hero-badges{gap:8px}
  .hero-badges span{font-size:12px;padding:7px 12px}
  .hero-visual{width:100%}
  .hero-frame{border-radius:20px;animation:none}
  .hero-frame img{height:400px}
  .frame-chip{padding:10px 13px;border-radius:13px;gap:9px}
  .frame-chip .ico{width:34px;height:34px;font-size:15px}
  .frame-chip b{font-size:13.5px}
  .frame-chip small{font-size:11px}
  .chip-price{bottom:14px;left:14px}
  .chip-status{top:14px;right:14px}
  .frame-ring{display:none}
  .cta-band{padding:44px 24px}
  .footer-grid{grid-template-columns:1fr}
  .float-contact{display:none}
  .quote-band{padding:34px 22px}
  .article-wrap{padding:30px 20px;border-radius:16px}
  .page-hero-media img{height:240px}
  .page-hero{padding:130px 0 50px}
  .page-hero.has-bg{padding:150px 0 66px}
}

/* ==========================================================
   科技感增强（冷色调配套）
   ========================================================== */
.bg-fx .grid{
  background-image:
    linear-gradient(rgba(45,110,200,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(45,110,200,.10) 1px,transparent 1px);
}
.btn-primary{box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 12px 30px -10px rgba(30,107,255,.55)}
.btn-primary:hover{box-shadow:inset 0 0 0 1px rgba(255,255,255,.35),0 20px 42px -10px rgba(30,107,255,.72)}
.btn-ghost{background:linear-gradient(180deg,#fff,#f4f8ff);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(30,107,255,.45);color:var(--brand);box-shadow:0 14px 30px -14px rgba(30,107,255,.45)}
.card:hover{border-color:rgba(30,107,255,.38);box-shadow:0 26px 60px -28px rgba(30,107,255,.45)}
.stat:hover{border-color:rgba(30,107,255,.35)}
.site-header.scrolled{box-shadow:0 8px 30px -18px rgba(15,45,90,.35),inset 0 -1px 0 rgba(30,107,255,.14)}
.kicker{border-color:rgba(30,107,255,.32);background:linear-gradient(180deg,#fff,#f2f7ff)}
.hair{box-shadow:0 0 14px rgba(30,107,255,.45)}
.sec-head h2{letter-spacing:1px}
.stat .num,.cta-tel,.price,.hero-badges b{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.nav-links a::before{box-shadow:0 0 10px rgba(30,107,255,.6)}
.float-contact .float-item{background:linear-gradient(135deg,#1e6bff,#22d3ee);border-color:transparent}
.scan-grid img{box-shadow:0 10px 24px -10px rgba(30,107,255,.35)}

/* ==========================================================
   大屏适配（1440+ / 2K / 2.5K+ 宽屏）
   思路：容器分级加宽 + 间距/字号/视觉元素随断点放大，
   让内容始终占满视口约 60%~72%，避免宽屏两侧大片留白。
   ========================================================== */
@media (min-width:1440px){
  :root{--wrap:1330px}
  .hero-grid{gap:64px}
  .hero-frame img{height:500px}
  .cards-3,.testi-grid,.news-grid{gap:28px}
  .cards-4,.stats-grid,.why-grid{gap:26px}
  .footer-grid{gap:52px}
}
@media (min-width:1600px){
  :root{--wrap:1420px}
  section{padding:116px 0}
  .sec-head{max-width:840px;margin-bottom:64px}
  .hero{min-height:min(100vh,950px)}
  .hero-grid{gap:76px}
  .hero-frame img{height:540px}
  .stats-grid{gap:30px}
  .stat{padding:46px 24px}
  .stat .num{font-size:54px}
  .stat p{font-size:15px}
  .cards-3,.testi-grid,.news-grid{gap:32px}
  .card{padding:42px 34px}
  .card .ico{width:60px;height:60px;font-size:27px;border-radius:16px}
  .card h3{font-size:20px}
  .card p{font-size:15px}
  .fleet-body{padding:28px 28px 32px}
  .fleet-body p{font-size:14.5px}
  .why-grid{gap:28px}
  .why-item{padding:34px 32px}
  .testi{padding:36px 34px}
  .quote-band{padding:52px 48px}
  .footer-grid{gap:60px}
}
@media (min-width:1920px){
  :root{--wrap:1560px}
  section{padding:136px 0}
  .sec-head{max-width:1000px}
  .sec-head h2{font-size:clamp(30px,2.4vw,48px)}
  .sec-head p{font-size:17px}
  .hero{min-height:min(100vh,1000px);padding:170px 0 100px}
  .hero h1{font-size:clamp(40px,3.8vw,78px)}
  .hero .tagline{font-size:20px;max-width:640px}
  .hero-badges span{font-size:14px;padding:9px 17px}
  .hero-grid{gap:88px}
  .hero-frame{border-radius:30px}
  .hero-frame img{height:610px}
  .frame-chip{padding:15px 20px}
  .frame-chip .ico{width:46px;height:46px;font-size:20px}
  .frame-chip b{font-size:16px}
  .chip-price .price{font-size:28px}
  .frame-ring{width:220px;height:220px}
  .brand-logo{height:46px}
  .nav-links a{font-size:15.5px;padding:10px 19px}
  .nav-tel{font-size:15px}
  .nav-tel b{font-size:16px}
  .marquee{padding:22px 0}
  .marquee-track span{font-size:16.5px}
  .stats-grid{gap:34px}
  .stat{padding:52px 26px}
  .stat .num{font-size:60px}
  .stat .unit{font-size:20px}
  .stat p{font-size:15.5px}
  .cards-4{gap:30px}
  .card{padding:46px 38px}
  .card .ico{width:64px;height:64px;font-size:29px;margin-bottom:24px}
  .card h3{font-size:21px}
  .card p{font-size:15.5px;line-height:1.8}
  .card .tag{font-size:13px;margin-top:20px}
  .flow-box{padding:64px 52px 48px}
  .flow-steps{gap:24px;margin-top:36px}
  .step .s-ico{width:64px;height:64px;font-size:25px}
  .step h4{font-size:17px}
  .step p{font-size:14px}
  .fleet-body{padding:30px 30px 34px}
  .fleet-body h3{font-size:22px}
  .fleet-body p{font-size:15px}
  .fleet-feats span{font-size:12.5px}
  .why-item{padding:38px 36px}
  .why-item .no{font-size:38px;width:72px}
  .why-item h4{font-size:18px}
  .why-item p{font-size:15px}
  .quote-band{padding:58px 56px}
  .timeline{max-width:1080px}
  .tl-item{padding:28px 30px}
  .tl-item .year{font-size:28px}
  .tl-item p{font-size:14.5px}
  .testi{padding:40px 38px}
  .testi p{font-size:15.5px}
  .footer-grid{gap:72px}
  .article-wrap{max-width:920px}
  .contact-grid{max-width:1320px;margin-left:auto;margin-right:auto}
}
@media (min-width:2400px){
  :root{--wrap:1740px}
  section{padding:156px 0}
  .sec-head{max-width:1080px;margin-bottom:72px}
  .sec-head h2{font-size:52px}
  .sec-head p{font-size:18px}
  .hero{min-height:min(100vh,1080px)}
  .hero h1{font-size:84px}
  .hero .tagline{font-size:22px;max-width:700px}
  .hero-grid{gap:100px}
  .hero-frame img{height:680px}
  .stats-grid{gap:40px}
  .stat{padding:60px 30px}
  .stat .num{font-size:68px}
  .card{padding:52px 44px}
  .card p{font-size:16px}
  .fleet-media{aspect-ratio:16/7.8}
  .timeline{max-width:1200px}
  .footer-grid{gap:88px}
  .orb.o1{width:760px;height:760px}
  .orb.o2{width:720px;height:720px}
  .orb.o3{width:920px;height:920px}
}
@media (min-width:3200px){
  :root{--wrap:1900px}
}
/* 4K 原生分辨率 3840x2160（系统缩放 100% 时 CSS 视口 = 3840） */
@media (min-width:3600px){
  :root{--wrap:2160px}
  section{padding:180px 0}
  .sec-head{max-width:1240px;margin-bottom:84px}
  .sec-head h2{font-size:60px}
  .sec-head p{font-size:19px}
  .hero{min-height:min(100vh,1180px);padding:200px 0 120px}
  .hero h1{font-size:96px}
  .hero .tagline{font-size:24px;max-width:780px}
  .hero-grid{gap:120px}
  .hero-badges{gap:16px}
  .hero-badges span{font-size:16px;padding:12px 22px}
  .hero-frame{border-radius:34px}
  .hero-frame img{height:780px}
  .chip-price{bottom:30px;left:30px}
  .chip-status{top:30px;right:30px}
  .frame-chip{padding:18px 24px;border-radius:20px}
  .frame-chip .ico{width:54px;height:54px;font-size:24px}
  .frame-chip b{font-size:18px}
  .frame-chip small{font-size:14px}
  .chip-price .price{font-size:34px}
  .frame-ring{width:260px;height:260px}
  .btn{padding:17px 38px;font-size:17px}
  .brand-logo{height:54px}
  .nav-links a{font-size:17px;padding:12px 22px}
  .nav-tel{font-size:17px}
  .nav-tel b{font-size:19px}
  .marquee{padding:26px 0}
  .marquee-track span{font-size:18px}
  .stats-grid{gap:48px}
  .stat{padding:70px 36px}
  .stat .num{font-size:80px}
  .stat .unit{font-size:24px}
  .stat p{font-size:17px}
  .cards-3,.cards-4,.testi-grid,.news-grid{gap:40px}
  .card{padding:60px 52px}
  .card .ico{width:76px;height:76px;font-size:34px}
  .card h3{font-size:24px}
  .card p{font-size:17.5px}
  .card .tag{font-size:15px}
  .flow-box{padding:80px 64px 60px}
  .flow-steps{gap:32px;margin-top:44px}
  .step .s-ico{width:76px;height:76px;font-size:30px}
  .step h4{font-size:20px}
  .step p{font-size:16px}
  .fleet-body{padding:36px 36px 42px}
  .fleet-body h3{font-size:26px}
  .fleet-body p{font-size:17px}
  .fleet-feats{gap:10px}
  .fleet-feats span{font-size:14px;padding:7px 15px}
  .fleet-price{padding:12px 22px}
  .fleet-price b{font-size:26px}
  .fleet-cat{font-size:14px;padding:8px 17px}
  .why-grid{gap:36px}
  .why-item{padding:46px 44px;gap:26px}
  .why-item .no{font-size:46px;width:86px}
  .why-item h4{font-size:21px}
  .why-item p{font-size:17px}
  .quote-band{padding:70px 64px}
  .quote-band h3{font-size:34px}
  .timeline{max-width:1360px}
  .tl-item{padding:34px 38px;margin-bottom:34px}
  .tl-item .year{font-size:34px}
  .tl-item h4{font-size:19px}
  .tl-item p{font-size:16px}
  .testi{padding:48px 46px}
  .testi .q{font-size:64px}
  .testi p{font-size:17.5px}
  .testi .avatar{width:52px;height:52px;font-size:20px}
  .footer-grid{gap:104px}
  .article-wrap{max-width:1040px}
  .contact-grid{max-width:1500px}
  .bg-fx .grid{background-size:76px 76px}
  .orb.o1{width:900px;height:900px}
  .orb.o2{width:860px;height:860px}
  .orb.o3{width:1080px;height:1080px}
}

/* ========== 二维码点击放大预览（灯箱） ========== */
.qr-box a,.scan-grid a{cursor:zoom-in}
.qr-lightbox{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:rgba(7,15,28,.82);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.qr-lightbox.on{opacity:1;pointer-events:auto}
.qr-lightbox img{
  width:min(72vmin,420px);max-width:86vw;background:#fff;padding:16px;border-radius:18px;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.65);
  transform:scale(.86);transition:transform .25s ease;
}
.qr-lightbox.on img{transform:scale(1)}
.qr-lightbox::after{
  content:"点击任意处关闭";position:absolute;bottom:5vh;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.75);font-size:13px;letter-spacing:2px;
}