/* ==========================================================================
   深圳市麦欧网络科技有限公司 · 企业官网样式
   品牌色取自主标识蓝色渐变：深蓝 #0B2C6B → 品牌蓝 #1E5BE0 → 亮蓝 #3B82F6
   ========================================================================== */

:root{
  --navy:#0B2255;
  --navy-2:#0F2F73;
  --brand:#1E5BE0;
  --brand-2:#3B82F6;
  --brand-3:#60A5FA;
  --brand-soft:#EAF1FE;
  --ink:#0F1B33;
  --muted:#6B7A93;
  --muted-2:#8C99AD;
  --paper:#F6F8FC;
  --white:#fff;
  --line:rgba(15,27,51,.12);
  --line-2:rgba(15,27,51,.07);
  --coral:#E8704A;
  --olive:#5F7A3F;
  --amber:#C9762B;
  --brown:#7A6450;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 18px 44px rgba(11,34,85,.10);
  --shadow-lg:0 28px 70px rgba(11,34,85,.16);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-en:"Manrope","Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-cn);font-weight:700;letter-spacing:-.02em}
.site-shell{overflow:hidden;position:relative}
.section-pad{padding-left:clamp(20px,5.5vw,96px);padding-right:clamp(20px,5.5vw,96px)}

/* ---------- 顶栏 ---------- */
.topbar{
  min-height:78px;
  background:var(--navy);
  display:flex;
  align-items:center;
  padding:10px clamp(20px,5.5vw,96px);
  gap:32px;
  color:#fff;
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid rgba(255,255,255,.09);
  backdrop-filter:saturate(140%) blur(6px);
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand-2),var(--navy-2));
  color:#fff;font:800 19px/1 var(--font-en);letter-spacing:-.04em;
  box-shadow:0 6px 18px rgba(30,91,224,.42);
}
.brand-copy{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-copy strong{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-copy em{
  font-style:normal;font-family:var(--font-mono);
  color:#93A7CC;font-size:9px;letter-spacing:.16em;margin-top:4px;white-space:nowrap;
}
.nav-links{display:flex;gap:26px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-links a{
  font-size:13.5px;color:#AFBDD6;text-decoration:none;transition:color .2s;
  position:relative;padding:4px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--brand-3);transition:right .25s;border-radius:2px;
}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-cta{
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  padding:11px 18px;border-radius:999px;text-decoration:none;
  font-size:13.5px;font-weight:600;white-space:nowrap;flex:0 0 auto;
  box-shadow:0 8px 22px rgba(30,91,224,.38);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(30,91,224,.5)}
.nav-cta span{margin-left:6px}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.menu-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;margin:5px 0}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(900px 520px at 88% 8%,rgba(59,130,246,.30),transparent 62%),
    radial-gradient(700px 500px at 4% 100%,rgba(30,91,224,.22),transparent 60%),
    var(--navy);
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(400px,.98fr);
  gap:52px;
  align-items:center;
  color:#fff;
  padding-top:74px;
  padding-bottom:92px;
  position:relative;
}
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:#8FA6D0;margin:0 0 22px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.eyebrow-dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand-3);
  box-shadow:0 0 0 5px rgba(59,130,246,.20);flex:0 0 auto;
}
.hero h1{
  font-size:clamp(31px,4.4vw,58px);
  line-height:1.2;letter-spacing:-.05em;margin:0 0 24px;font-weight:700;
  max-width:15em;
}
.hero h1 span{
  background:linear-gradient(100deg,#7FB0FF,#3B82F6 55%,#9CC4FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-intro{
  font-size:16px;line-height:1.85;color:#B9C7DE;margin:0 0 34px;max-width:560px;
}
.hero-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:40px;flex-wrap:wrap;
  margin:0 0 30px;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats strong{
  display:block;font:800 24px/1 var(--font-en);color:#fff;
  letter-spacing:-.03em;margin-bottom:8px;
}
.hero-stats small{display:block;font-size:11.5px;color:#8FA6D0;line-height:1.5}
.button{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;
  padding:14px 24px;border-radius:999px;font-size:14.5px;font-weight:600;
  transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap;
}
.button-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  box-shadow:0 12px 30px rgba(30,91,224,.42);
}
.button-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(30,91,224,.55)}
.button-light{background:#fff;color:var(--navy);box-shadow:0 12px 30px rgba(3,14,40,.28)}
.button-light:hover{transform:translateY(-2px)}
.text-link{
  color:#CFE0FF;text-decoration:none;font-size:14.5px;
  border-bottom:1px solid rgba(207,224,255,.35);padding-bottom:3px;transition:color .2s,border-color .2s;
}
.text-link:hover{color:#fff;border-color:#fff}
.hero-note{display:flex;align-items:center;gap:13px;margin-top:44px;color:#8A9DBC;font-size:12.5px}
.note-line{width:52px;height:1px;background:linear-gradient(90deg,var(--brand-3),transparent);flex:0 0 auto}

.hero-visual{position:relative;height:500px;display:grid;place-items:center}
.orbit{
  position:absolute;border-radius:50%;border:1px solid rgba(96,165,250,.30);
}
.orbit-one{width:430px;height:430px;animation:spin 34s linear infinite}
.orbit-two{width:330px;height:330px;border-color:rgba(127,176,255,.20);animation:spin 26s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-glow{
  position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,.34),transparent 68%);filter:blur(8px);
}
.hero-logo-card{
  position:relative;z-index:2;width:min(360px,74%);
  border-radius:26px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-lg);
}
.hero-logo-card img{width:100%;height:auto}
.dashboard-card{
  background:rgba(255,255,255,.97);
  border:1px solid rgba(255,255,255,.5);
  border-radius:14px;color:var(--ink);
  box-shadow:0 16px 36px rgba(3,14,40,.30);
}
.dashboard-float{
  position:absolute;z-index:3;display:flex;align-items:center;gap:11px;
  padding:12px 15px;min-width:172px;
}
.dashboard-float small{display:block;font-size:10.5px;color:var(--muted-2);letter-spacing:.02em}
.dashboard-float strong{display:block;font-size:13.5px;font-weight:700;margin-top:2px}
.float-icon{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;flex:0 0 auto;
}
.float-icon.blue{background:var(--brand-soft);color:var(--brand)}
.float-icon.mint{background:#E6F7F2;color:#2F9C82}
.float-arrow{margin-left:auto;color:var(--brand-2);font-size:14px}
.float-a{top:52px;right:-2%}
.float-b{bottom:66px;left:-4%}
.hero-caption{
  position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;color:#8A9DBC;font-size:11.5px;white-space:nowrap;
}
.caption-index{font-family:var(--font-mono);color:var(--brand-3);font-size:10px}

/* ---------- 通用区块标题 ---------- */
.section-heading{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:48px;
}
.section-heading.compact{margin-bottom:56px}
.section-kicker{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  color:#8B99AE;margin:0 0 18px;
}
.section-heading h2,.about h2,.contact h2{
  font-size:clamp(27px,3.35vw,47px);line-height:1.22;letter-spacing:-.05em;margin:0;font-weight:700;
}
.section-heading h2 span,.about h2 span,.contact h2 span{color:#8697AF}
.section-link{display:inline-block;margin-top:10px;color:var(--brand);font-size:12px;text-decoration:none}
.section-link:hover{text-decoration:underline}
.hero-service-label{font-size:14px;font-weight:600;color:#9cbbec;margin:22px 0 0;line-height:1.7}
.section-aside{
  font-size:12.5px;line-height:1.9;color:#8B99AE;margin:0 0 6px;text-align:right;flex:0 0 auto;
}

/* ---------- 业务版图 ---------- */
.business{padding-top:126px;padding-bottom:130px;background:var(--paper)}
.business-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.business-card:nth-child(5){grid-column:span 4}
.business-card{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);
  padding:26px 24px 22px;display:flex;flex-direction:column;
  position:relative;overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.business-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--brand);border-radius:0 4px 4px 0;
}
.business-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.accent-coral::before{background:var(--coral)}
.accent-olive::before{background:var(--olive)}
.accent-amber::before{background:var(--amber)}
.accent-brown::before{background:var(--brown)}
.accent-navy::before{background:linear-gradient(180deg,var(--navy-2),var(--brand-2))}
.business-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.business-index{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--brand);font-weight:600;
}
.accent-coral .business-index{color:var(--coral)}
.accent-olive .business-index{color:var(--olive)}
.accent-amber .business-index{color:var(--amber)}
.accent-brown .business-index{color:var(--brown)}
.business-kind{
  font-size:10.5px;color:var(--muted-2);border:1px solid var(--line);
  padding:5px 10px;border-radius:999px;font-family:var(--font-mono);letter-spacing:.04em;
}
.business-card h3{font-size:19.5px;margin:0 0 10px;letter-spacing:-.03em;line-height:1.4}
.business-card > p{font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 18px}
.business-points{
  list-style:none;margin:0 0 22px;padding:18px 0 0;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:8px;
}
.business-points li{
  font-size:12px;color:#4A5A73;background:#F3F6FC;border:1px solid var(--line-2);
  padding:5px 11px;border-radius:999px;
}
.business-link{
  margin-top:auto;font-size:12.5px;color:var(--brand);text-decoration:none;font-weight:600;
  align-self:flex-start;border-bottom:1px solid transparent;transition:border-color .2s;
}
.business-link:hover{border-color:var(--brand)}

/* ---------- 自营产品矩阵 ---------- */
.lineup{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.flagship-switch{grid-column:span 2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.lineup-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-sm);padding:22px 20px 18px;
  display:flex;flex-direction:column;
  transition:background .25s,border-color .25s,transform .25s;
  font:inherit;text-align:left;color:inherit;width:100%;cursor:pointer;
}
.lineup-card:hover{background:rgba(255,255,255,.10);border-color:rgba(96,165,250,.5);transform:translateY(-4px)}
.lineup-card.product-tab.is-active{border-color:#78AFFF;box-shadow:0 0 0 2px rgba(96,165,250,.2),0 18px 38px rgba(3,14,40,.22)}
.lineup-card.product-tab:focus-visible{outline:3px solid rgba(191,219,254,.9);outline-offset:3px}
.lineup-card.is-flagship{
  background:linear-gradient(150deg,rgba(59,130,246,.22),rgba(255,255,255,.05));
  border-color:rgba(96,165,250,.42);
}
.lineup-thumb{
  height:178px;border-radius:12px;overflow:hidden;margin-bottom:16px;
  border:1px solid rgba(255,255,255,.16);background:#fff;
}
.lineup-thumb img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.flagship-switch .lineup-card:first-child .lineup-thumb img{object-position:center 26%}
.lineup-cta{
  display:inline-block;margin-top:14px;font-size:12.5px;font-weight:600;
  color:#CFE0FF;text-decoration:none;border-bottom:1px solid rgba(207,224,255,.38);
  padding-bottom:2px;transition:color .2s,border-color .2s;
}
.lineup-cta:hover{color:#fff;border-color:#fff}
.lineup-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px}
.lineup-tag{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.06em;
  color:#BCD2F5;background:rgba(96,165,250,.14);
  border:1px solid rgba(96,165,250,.28);padding:5px 9px;border-radius:999px;white-space:nowrap;
}
.lineup-no{font:700 12px var(--font-mono);color:var(--brand-3);flex:0 0 auto}
.lineup-card h3{font-size:16.5px;margin:0 0 10px;line-height:1.45;letter-spacing:-.02em;color:#fff}
.lineup-card p{font-size:12.5px;line-height:1.8;color:#AFC2DC;margin:0 0 18px}
.lineup-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.10)}
.lineup-meta span{font-size:10.5px;color:#8FA6D0;font-family:var(--font-mono)}
.jiedan-mark{display:flex;gap:8px;align-items:center;margin:4px 0 22px}
.jiedan-mark span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,#4D8EFF,#1E5BE0);color:#fff;font-size:20px;font-weight:800;box-shadow:0 8px 18px rgba(30,91,224,.24)}
.jiedan-tab{background:linear-gradient(150deg,rgba(30,91,224,.30),rgba(255,255,255,.05))}

/* ---------- 典型案例（常显，产品矩阵下方） ---------- */
.deepcase{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);background:rgba(255,255,255,.05);
  overflow:hidden;
}
.deepcase-head{
  display:flex;justify-content:space-between;align-items:flex-start;gap:20px;
  padding:22px 26px;border-bottom:1px solid rgba(255,255,255,.10);
}
.deepcase-title{
  font-size:17px;font-weight:700;color:#fff;letter-spacing:-.02em;margin:0 0 6px;
}
.deepcase-sub{font-size:12px;color:#8FA6D0;margin:0;line-height:1.6}
.deepcase-top{
  font-size:11.5px;color:#9CC4FF;text-decoration:none;white-space:nowrap;
  flex:0 0 auto;border-bottom:1px solid rgba(156,196,255,.35);padding-bottom:2px;
}
.deepcase-top:hover{color:#fff;border-color:#fff}
.product-back{background:none;border:0;cursor:pointer;font:inherit}
.deepcase-body{padding:6px 26px 30px}
.jiedan-flow{display:grid;gap:10px;padding:22px;border-radius:18px;background:linear-gradient(145deg,rgba(96,165,250,.16),rgba(255,255,255,.04));border:1px solid rgba(147,197,253,.20)}
.jiedan-flow-step{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.10);color:#DCE9FB;font-size:14px}
.jiedan-flow-step:last-child{border-bottom:0}
.jiedan-flow-step b{font:700 11px var(--font-mono);color:#8CC1FF;letter-spacing:.04em}
.jiedan-proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:34px 0 6px}
.jiedan-proof-grid article{padding:20px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10)}
.jiedan-proof-grid h4{font-size:15px;margin:10px 0 7px;color:#fff}
.jiedan-proof-grid p{font-size:12.5px;line-height:1.8;color:#AFC2DC;margin:0}
.proof-no{font:700 11px var(--font-mono);color:#8CC1FF}
.product-disclaimer{margin:24px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);font-size:12px;line-height:1.7;color:#8FA6D0}

/* ---------- 产品分层与待开发方向 ---------- */
.roadmap{background:#fff;padding-top:116px;padding-bottom:124px}
.roadmap-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.roadmap-card{
  grid-column:span 4;background:var(--paper);border:1px solid var(--line-2);
  border-radius:var(--radius);padding:26px 24px 24px;display:flex;flex-direction:column;
  min-width:0;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.roadmap-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(30,91,224,.18)}
.roadmap-card.roadmap-future{background:var(--navy);border-color:rgba(96,165,250,.22);color:#fff}
.roadmap-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.roadmap-index{font:700 11px var(--font-mono);letter-spacing:.1em;color:var(--brand)}
.roadmap-future .roadmap-index{color:var(--brand-3)}
.roadmap-status{font:10px var(--font-mono);letter-spacing:.03em;color:#58708F;background:#fff;border:1px solid var(--line);padding:5px 9px;border-radius:999px;white-space:nowrap}
.roadmap-future .roadmap-status{color:#CFE0FF;background:rgba(96,165,250,.13);border-color:rgba(96,165,250,.28)}
.roadmap-card h3{font-size:20px;line-height:1.4;letter-spacing:-.03em;margin:0 0 10px}
.roadmap-card p{font-size:13px;line-height:1.85;color:var(--muted);margin:0 0 20px}
.roadmap-future p{color:#B9CBE3}
.roadmap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.roadmap-tags span{font-size:11px;color:#4A5A73;background:#fff;border:1px solid var(--line-2);padding:5px 9px;border-radius:999px}
.roadmap-future .roadmap-tags span{color:#CDE0FF;background:rgba(96,165,250,.13);border-color:rgba(96,165,250,.28)}
.roadmap-note{display:block;color:#8A99AE;font-size:11px;line-height:1.7;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.roadmap-future .roadmap-note{color:#8FA6D0;border-color:rgba(255,255,255,.12)}
.future-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:auto}
.future-grid div{padding:12px 12px 11px;border:1px solid rgba(96,165,250,.20);border-radius:12px;background:rgba(255,255,255,.06)}
.future-grid strong{display:block;color:#fff;font-size:12.5px;margin-bottom:4px}
.future-grid span{display:block;color:#AFC2DC;font-size:10.5px;line-height:1.55}

/* ---------- 联系二维码 ---------- */
.contact-card-qr{flex-direction:column;align-items:stretch;gap:14px}
.contact-qr-text{display:flex;align-items:center;gap:16px}
.contact-qr{
  width:100%;max-width:190px;height:auto;margin:0 auto;
  border-radius:10px;background:#fff;padding:8px;
}
@media(max-width:1180px){
  .lineup{grid-template-columns:repeat(2,1fr)}
  .flagship-switch{grid-column:span 2}
}
@media(max-width:640px){
  .lineup{grid-template-columns:1fr}
  .flagship-switch{grid-column:auto;grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .hero-stats strong{font-size:20px}
  .deepcase-head{flex-direction:column;padding:18px}
  .deepcase-body{padding:6px 18px 24px}
  .lineup-thumb{height:164px}
  .contact-qr{max-width:168px}
  .jiedan-proof-grid{grid-template-columns:1fr}
}

/* ---------- 产品线 bb点单 ---------- */
.productline{
  background:
    radial-gradient(760px 460px at 8% 0%,rgba(30,91,224,.34),transparent 60%),
    radial-gradient(680px 520px at 96% 88%,rgba(59,130,246,.20),transparent 62%),
    var(--navy);
  color:#fff;padding-top:112px;padding-bottom:118px;
}
.productline-inner{max-width:1440px;margin:0 auto}
.productline .section-heading.on-dark .section-kicker{color:#8FA6D0}
.productline .section-heading.on-dark h2 span{color:#9CBBEC}
.productline .section-heading.on-dark .section-aside{color:#8FA6D0}
.productline-lead{
  display:grid;grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);
  gap:48px;align-items:center;margin:26px 0 0;
}
.productline-poster{
  border-radius:22px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-lg);
  background:#fff;
}
.productline-poster img{width:100%;height:auto}
.productline-desc{font-size:15.5px;line-height:1.95;color:#C3D2E8;margin:0 0 26px}
.productline-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.productline-tags span{
  font-size:12px;color:#CDE0FF;background:rgba(96,165,250,.13);
  border:1px solid rgba(96,165,250,.30);padding:6px 13px;border-radius:999px;
}
.productline-meta{display:flex;gap:46px;margin-bottom:32px;flex-wrap:wrap}
.productline-meta small{display:block;font-size:11px;color:#8FA6D0;margin-bottom:5px;letter-spacing:.04em}
.productline-meta strong{font-size:16px;font-weight:700}
.poster-heading{
  font-size:16px;font-weight:600;letter-spacing:-.01em;color:#CFE0FF;
  margin:40px 0 24px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);
}
.poster-rail{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
}
.poster-item{
  margin:0;width:auto;
  border-radius:16px;overflow:hidden;background:#fff;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 14px 32px rgba(3,14,40,.32);
  transition:transform .25s;
}
.poster-item:hover{transform:translateY(-5px)}
.poster-item img{width:100%;height:auto}
.poster-item figcaption{
  font-size:12px;color:#DCE7F8;background:var(--navy-2);
  padding:12px 14px;text-align:center;line-height:1.5;
}

/* ---------- 五大板块案例 ---------- */
.cases{padding-top:128px;padding-bottom:132px;background:var(--paper)}
.case-layout{display:grid;grid-template-columns:minmax(300px,.86fr) minmax(0,1.14fr);gap:56px;align-items:start}
.case-wall{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:#fff;position:sticky;top:104px;
}
.case-wall img{width:100%;height:auto}
.case-blocks{display:flex;flex-direction:column;gap:22px}
.case-block{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);
  padding:24px 24px 20px;transition:box-shadow .25s;
}
.case-block:hover{box-shadow:var(--shadow)}
.case-block header{display:flex;align-items:center;gap:13px;margin-bottom:18px}
.case-no{
  font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  width:34px;height:26px;border-radius:8px;display:grid;place-items:center;flex:0 0 auto;
}
.case-block h3{font-size:18.5px;margin:0;letter-spacing:-.025em}
.case-items{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.case-item{
  background:#F7F9FD;border:1px solid var(--line-2);border-radius:12px;
  padding:13px 15px;transition:background .2s,border-color .2s,transform .2s;
}
.case-item:hover{background:var(--brand-soft);border-color:rgba(30,91,224,.24);transform:translateY(-2px)}
.case-item strong{display:block;font-size:14px;font-weight:600;margin-bottom:5px;letter-spacing:-.01em}
.case-item span{display:block;font-size:11.5px;color:var(--muted-2);line-height:1.6}

/* ---------- 定制能力 ---------- */
.capability{background:#fff;padding-top:124px;padding-bottom:124px}
.capability-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:76px;align-items:center}
.capability-list{border-top:1px solid var(--line)}
.capability-item{
  display:grid;grid-template-columns:44px 1fr 26px;align-items:center;gap:16px;
  padding:21px 0;border-bottom:1px solid var(--line);transition:.2s;cursor:default;
}
.capability-item .cap-index{font-family:var(--font-mono);font-size:10.5px;color:#A3AEBE}
.capability-item h3{font-size:18.5px;margin:0 0 5px;letter-spacing:-.025em}
.capability-item p{font-size:12.5px;color:var(--muted);margin:0;line-height:1.7}
.cap-arrow{font-size:18px;color:#A3AEBE;opacity:0;transition:.2s;text-align:right}
.capability-item.active h3,.capability-item.active .cap-index{color:var(--brand)}
.capability-item.active .cap-arrow,.capability-item:hover .cap-arrow{opacity:1;color:var(--brand)}
.capability-panel{
  background:
    radial-gradient(420px 300px at 78% 8%,rgba(59,130,246,.30),transparent 62%),
    var(--navy);
  border-radius:var(--radius);padding:30px;color:#fff;min-height:360px;
  display:flex;flex-direction:column;
}
.panel-label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;color:#8FA6D0;margin:0}
.panel-art{flex:1;position:relative;display:grid;place-items:center;min-height:230px}
.panel-ring{position:absolute;border:1px solid rgba(96,165,250,.42);border-radius:50%}
.ring-a{width:236px;height:104px;transform:rotate(24deg)}
.ring-b{width:196px;height:156px;transform:rotate(-34deg);border-color:rgba(127,176,255,.30)}
.panel-core{
  width:84px;height:84px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand-2),var(--navy-2));
  font:700 22px var(--font-en);box-shadow:0 12px 34px rgba(30,91,224,.5);
  position:relative;z-index:2;letter-spacing:-.04em;
}
.panel-core span{font-size:13px;margin-left:2px;color:var(--brand-3)}
.panel-tag{
  position:absolute;padding:6px 11px;border-radius:999px;
  background:rgba(255,255,255,.09);font:10px var(--font-mono);color:#C2D3EE;
  border:1px solid rgba(255,255,255,.10);
}
.tag-a{top:26px;left:18px}
.tag-b{right:14px;top:64px;color:#9CC4FF}
.tag-c{bottom:52px;right:52px;color:#A9E4D6}
.tag-d{bottom:16px;left:44px;color:#BCD2F5}
.panel-caption{font-size:12.5px;color:#B7C6DD;line-height:1.75;margin:0}

/* ---------- 五张能力海报 ---------- */
.posters{padding-top:124px;padding-bottom:130px;background:var(--paper)}
.poster-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.poster-card{
  margin:0;background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-sm);
  overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;
}
.poster-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.poster-card img{width:100%;height:auto;display:block}
.poster-card figcaption{
  display:flex;align-items:center;gap:9px;padding:13px 15px;
  font-size:12px;color:#3E4C64;background:#fff;border-top:1px solid var(--line-2);line-height:1.5;
}
.poster-card figcaption b{
  font-family:var(--font-mono);font-size:10px;color:var(--brand);flex:0 0 auto;
}

/* ---------- 关于我们 ---------- */
.about{padding-top:120px;padding-bottom:120px;background:#fff}
.about-card{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start;
  background:var(--paper);border:1px solid var(--line-2);
  border-radius:26px;padding:clamp(28px,4vw,58px);
}
.about-brandline{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--muted-2);margin:26px 0 0;
}
.about-right{border-left:1px solid var(--line);padding-left:56px}
.about-right p{font-size:15px;line-height:2;color:#3E4C64;margin:0 0 20px}
.about-meta{display:flex;flex-wrap:wrap;gap:22px;margin:30px 0 32px}
.about-meta span{
  font-family:var(--font-mono);font-size:11px;color:var(--muted-2);letter-spacing:.04em;
  position:relative;padding-left:15px;
}
.about-meta span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--brand-2);
}
.about-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-top:28px;border-top:1px solid var(--line)}
.about-facts strong{display:block;font:700 26px/1 var(--font-en);color:var(--brand);letter-spacing:-.03em;margin-bottom:8px}
.about-facts small{font-size:11.5px;color:var(--muted-2);line-height:1.5;display:block}
.deepcase-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

/* ---------- 常见问题 ---------- */
.faq{background:var(--paper);padding-top:112px;padding-bottom:112px}
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-item{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:0 22px;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:rgba(30,91,224,.25);box-shadow:0 12px 28px rgba(11,34,85,.06)}
.faq-item summary{cursor:pointer;list-style:none;font-size:16px;font-weight:700;color:var(--navy);padding:21px 30px 21px 0;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:17px;font-size:23px;line-height:1;color:var(--brand);font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:0;padding:0 0 22px;color:var(--muted);font-size:14px;line-height:1.9}

/* ---------- 联系我们 ---------- */
.contact{
  background:
    radial-gradient(760px 460px at 92% 6%,rgba(59,130,246,.28),transparent 62%),
    radial-gradient(620px 420px at 2% 96%,rgba(30,91,224,.20),transparent 60%),
    var(--navy);
  color:#fff;padding-top:112px;padding-bottom:118px;
}
.contact-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:64px;flex-wrap:wrap}
.contact .section-kicker{color:#8FA6D0}
.contact h2 span{color:#9CBBEC}
.contact-copy{font-size:15px;color:#B9C7DE;margin:22px 0 0;line-height:1.85;max-width:360px}
.contact-cards{display:flex;flex-direction:column;gap:14px;min-width:min(430px,100%);flex:1}
.contact-card{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-sm);padding:18px 20px;position:relative;
  transition:background .2s,border-color .2s;
}
.contact-card:hover{background:rgba(255,255,255,.11);border-color:rgba(96,165,250,.45)}
.contact-icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  font-size:16px;font-weight:700;color:#fff;
}
.contact-card small{display:block;font-size:11px;color:#8FA6D0;margin-bottom:4px;letter-spacing:.03em}
.contact-card strong{display:block;font-size:15px;font-weight:600;letter-spacing:-.01em}
.contact-go{margin-left:auto;color:var(--brand-3);font-size:18px;text-decoration:none}
.contact-flag{
  margin-left:auto;font-size:10px;color:#FFD9A8;background:rgba(255,180,80,.14);
  border:1px solid rgba(255,180,80,.36);padding:4px 9px;border-radius:999px;white-space:nowrap;
}
.qr-placeholder{
  margin-left:auto;width:64px;height:64px;border-radius:10px;flex:0 0 auto;
  border:1px dashed rgba(150,180,230,.55);display:grid;place-items:center;text-align:center;
  font-size:9px;line-height:1.35;color:#8FA6D0;background:rgba(255,255,255,.05);
}

/* ---------- 页脚 ---------- */
.footer{background:#081A42;color:#93A7CC;padding-top:62px}
.footer-main{
  display:flex;justify-content:space-between;align-items:center;gap:44px;
  padding-bottom:44px;flex-wrap:wrap;
}
.footer-brand{display:flex;align-items:center;gap:20px}
.footer-logo{
  width:74px;height:74px;border-radius:16px;flex:0 0 auto;
  border:1px solid rgba(255,255,255,.14);
}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:700;letter-spacing:.01em;margin-bottom:7px}
.footer-brand em{
  display:block;font-style:normal;font-family:var(--font-mono);
  font-size:9.5px;letter-spacing:.14em;color:#7C90B8;margin-bottom:9px;
}
.footer-brand p{margin:0;font-size:12.5px;color:#8FA6D0;line-height:1.6}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:#A9BADA;text-decoration:none;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-legal{
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:24px;padding-bottom:30px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:#8093B8;
}
.footer-legal a{color:#A9BADA;text-decoration:none;transition:color .2s}
.footer-legal a:hover{color:#fff;text-decoration:underline}
.legal-sep{color:rgba(255,255,255,.20)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:26px;z-index:60;
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  background:linear-gradient(145deg,var(--brand),var(--navy-2));color:#fff;
  font-size:17px;cursor:pointer;display:grid;place-items:center;
  box-shadow:0 12px 28px rgba(11,34,85,.34);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- 滚动进入动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .orbit-one,.orbit-two{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .topbar{gap:16px}
  .nav-links{gap:14px}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .case-layout{grid-template-columns:1fr;gap:34px}
  .case-wall{position:static;max-width:520px;margin:0 auto}
  .business-grid{grid-template-columns:repeat(2,1fr)}
  .business-card:nth-child(5){grid-column:span 2}
}
@media(max-width:1024px){
  .topbar{gap:20px}
  .nav-links{gap:18px}
  .hero{grid-template-columns:1fr;gap:22px;padding-top:60px;padding-bottom:70px}
  .hero-visual{height:420px;margin-top:10px}
  .business-grid{grid-template-columns:repeat(2,1fr)}
  .productline-lead{grid-template-columns:1fr;gap:36px}
  .productline-poster{max-width:400px;margin:0 auto}
  .capability-layout{grid-template-columns:1fr;gap:42px}
  .about-card{grid-template-columns:1fr;gap:34px}
  .about-right{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:32px}
  .roadmap-card{grid-column:span 12}
}
@media(max-width:840px){
  .nav-links{
    display:none;
  }
  .nav-links.open{
    display:flex;position:absolute;top:100%;left:0;right:0;
    background:var(--navy);padding:22px clamp(20px,5.5vw,96px) 28px;
    flex-direction:column;gap:18px;border-top:1px solid rgba(255,255,255,.12);
    box-shadow:0 18px 40px rgba(3,14,40,.4);z-index:49;
  }
  .menu-toggle{display:block}
  .section-heading{display:block;margin-bottom:34px}
  .section-aside{text-align:left;margin-top:18px}
  .poster-grid{grid-template-columns:repeat(2,1fr)}
  .poster-rail{
    display:flex;gap:14px;overflow-x:auto;padding-bottom:16px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    scrollbar-width:thin;scrollbar-color:rgba(96,165,250,.5) transparent;
  }
  .poster-rail::-webkit-scrollbar{height:5px}
  .poster-rail::-webkit-scrollbar-track{background:rgba(255,255,255,.08);border-radius:99px}
  .poster-rail::-webkit-scrollbar-thumb{background:rgba(96,165,250,.55);border-radius:99px}
  .poster-item{flex:0 0 auto;width:238px;scroll-snap-align:start}
  .contact-inner{gap:38px}
}
@media(max-width:640px){
  body{font-size:15px}
  .brand-copy strong{font-size:13px;white-space:normal}
  .brand-copy em{display:none}
  .nav-cta{padding:9px 14px;font-size:12.5px}
  .hero h1{font-size:31px}
  .hero-intro{font-size:14.5px}
  .hero-visual{height:360px}
  .hero-logo-card{width:min(268px,68%)}
  .float-a{top:24px;right:-4%}
  .float-b{bottom:40px;left:-5%;}
  .dashboard-float{min-width:150px;padding:10px 12px}
  .hero-caption{bottom:-2px;font-size:10.5px}
  .business,.cases,.posters,.productline,.capability,.about,.faq,.contact{padding-top:76px;padding-bottom:80px}
  .business-grid{grid-template-columns:1fr}
  .business-card:nth-child(5){grid-column:auto}
  .case-items{grid-template-columns:1fr}
  .poster-grid{grid-template-columns:1fr}
  .poster-item{width:230px}
  .future-grid{grid-template-columns:1fr}
  .about-facts{grid-template-columns:1fr;gap:18px}
  .faq-list{grid-template-columns:1fr}
  .section-heading h2,.about h2,.contact h2{font-size:27px}
  .footer-main{flex-direction:column;align-items:flex-start;gap:28px}
  .footer-links{gap:16px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:8px}
  .legal-sep{display:none}
  .to-top{right:16px;bottom:18px;width:40px;height:40px}
}