:root{
  --primary:#EA580C;
  --primary-2:#F97316;
  --accent:#F59E0B;
  --bg:#F7F8FA;
  --surface:#FFFFFF;
  --text:#0B1220;
  --muted:#475569;
  --line:rgba(15,23,42,.08);
  --radius:24px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font:"Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",sans-serif;
  --nav-h:76px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:18px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{width:min(1120px,90vw);margin:0 auto}
.section{padding:110px 0}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);
}
.section-head{max-width:760px;margin-bottom:56px}
.section-head h2{margin-top:18px}
.section-head p{margin-top:20px;font-size:19px;line-height:1.85;color:var(--muted);max-width:38em}

h1,h2,h3,h4{font-family:var(--font);letter-spacing:-.02em;color:var(--text)}
h1{font-size:clamp(2.6rem,5.5vw,4rem);line-height:1.12;font-weight:800}
h2{font-size:clamp(2rem,3.2vw,2.8rem);line-height:1.2;font-weight:800}
h2::before{
  content:"";display:block;width:36px;height:3px;border-radius:99px;
  background:linear-gradient(90deg,var(--primary),rgba(245,158,11,.7));
  margin-bottom:22px;
}
h3{font-size:22px;line-height:1.4;font-weight:700}
h4{font-size:18px;font-weight:700}
p{color:var(--muted);font-size:18px;line-height:1.85;max-width:40em}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;font-size:17px;font-weight:650;
  border:1px solid transparent;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(180deg,#F97316,#EA580C);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 12px 28px -14px rgba(234,88,12,.8);
}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{
  color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.14)}
.btn-dark{
  background:#0B1220;color:#fff;
  box-shadow:0 12px 28px -16px rgba(11,18,32,.5);
}
.btn-dark:hover{transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* Header */
header{
  position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(8,12,20,.72);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:height .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
header.scrolled{
  height:64px;
  background:rgba(247,248,250,.9);
  backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid rgba(15,23,42,.06);
  box-shadow:0 8px 28px -24px rgba(15,23,42,.35);
}
.nav-inner{
  width:min(1120px,90vw);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:flex;align-items:center;gap:12px;flex:none;
  position:relative;z-index:2;isolation:isolate;
  max-width:min(280px,70vw);overflow:hidden;
}
header img,.brand img,.footer-brand img{
  height:40px!important;width:auto!important;max-width:48px!important;
  object-fit:contain!important;border-radius:9px;background:#fff;flex:0 0 auto;
}
.footer-brand img{max-width:140px!important}
.brand-name{color:#fff;font-weight:750;font-size:17px;white-space:nowrap;transition:color .25s ease;position:relative;z-index:1}
.brand-name span{color:var(--accent)}
header.scrolled .brand-name{color:var(--text)}
nav.main-nav{display:flex;align-items:center;gap:30px}
nav.main-nav a{
  position:relative;padding:6px 0;color:rgba(255,255,255,.78);
  font-size:15.5px;font-weight:550;transition:color .2s ease;
}
nav.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;width:0;
  background:currentColor;opacity:.65;transition:width .28s var(--ease);
}
nav.main-nav a:hover,nav.main-nav a.is-active{color:#fff}
nav.main-nav a:hover::after,nav.main-nav a.is-active::after{width:100%}
header.scrolled nav.main-nav a{color:rgba(15,23,42,.62)}
header.scrolled nav.main-nav a:hover,
header.scrolled nav.main-nav a.is-active{color:var(--text)}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-size:15px;font-weight:650;color:#fff!important;
  background:linear-gradient(180deg,#F97316,#EA580C);
  box-shadow:0 10px 22px -12px rgba(234,88,12,.75);
}
.nav-cta::after{display:none!important}
.nav-cta:hover{filter:brightness(1.05)}

/* ========== PRODUCTS ========== */
.phero{
  position:relative;color:#fff;overflow:hidden;
  padding:calc(var(--nav-h) + 72px) 0 0;
  background:linear-gradient(180deg,#080C14 0%,#0B1220 70%,#121A28 100%);
}
.phero-glow{
  position:absolute;inset:-20%;pointer-events:none;
  background:
    radial-gradient(42% 42% at 12% 18%,rgba(234,88,12,.28),transparent 70%),
    radial-gradient(36% 36% at 88% 72%,rgba(245,158,11,.14),transparent 70%);
  animation:drift 20s ease-in-out infinite alternate;
}
.phero-copy{position:relative;z-index:2;max-width:720px;padding-bottom:52px}
.phero-brand{
  font-size:15px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.55);margin-bottom:22px;
}
.phero-brand::after{
  content:"";display:block;width:36px;height:3px;border-radius:99px;margin-top:14px;
  background:linear-gradient(90deg,var(--primary),rgba(245,158,11,.7));
}
.phero h1{
  color:#fff;margin-bottom:20px;
  font-size:clamp(2.8rem,6vw,4.4rem);line-height:1.08;letter-spacing:-.035em;
  max-width:10em;
}
.phero-lead{
  color:#fff;font-size:clamp(18px,1.8vw,22px);font-weight:600;
  letter-spacing:.02em;line-height:1.55;margin-bottom:14px;max-width:28em;
}
.phero-sub{
  color:rgba(255,255,255,.72);font-size:clamp(16px,1.4vw,18px);
  line-height:1.75;max-width:32em;margin-bottom:36px;
}
.phero-stage{
  position:relative;z-index:2;padding-bottom:72px;
  background:linear-gradient(180deg,transparent 30%,var(--bg) 100%);
}
.phero-stage::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:48px;
  background:var(--bg);border-radius:40px 40px 0 0;
}
.browser{
  position:relative;z-index:1;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.12);background:#0E1726;
  box-shadow:0 30px 70px -28px rgba(0,0,0,.7);
  animation:rise .85s var(--ease) both;
}
.browser-bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.08);
}
.browser-bar i{width:10px;height:10px;border-radius:50%}
.browser-bar i:nth-child(1){background:#FF5F57}
.browser-bar i:nth-child(2){background:#FEBC2E}
.browser-bar i:nth-child(3){background:#28C840}
.browser-bar span{margin-left:12px;font-size:13px;color:rgba(255,255,255,.45)}
.browser-body{padding:14px;background:linear-gradient(180deg,#fff,#F1F3F6)}
.browser-body img{width:100%;border-radius:12px;background:#fff}

.value-strip{padding:64px 0;border-bottom:1px solid var(--line);background:#fff}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.value-item{padding:8px 36px;border-left:1px solid var(--line)}
.value-item:first-child{border-left:0;padding-left:0}
.value-item strong{display:block;font-size:21px;margin-bottom:10px;letter-spacing:-.02em}
.value-item p{font-size:17px;line-height:1.7;max-width:22em}

.cap-list{display:flex;flex-direction:column}
.cap-row{
  display:grid;grid-template-columns:84px 1fr auto;gap:28px;align-items:start;
  padding:40px 0;border-top:1px solid var(--line);
}
.cap-row:last-child{border-bottom:1px solid var(--line)}
.cap-num{font-size:1.8rem;font-weight:800;color:rgba(15,23,42,.14);line-height:1;padding-top:2px}
.cap-row:hover .cap-num{color:var(--primary)}
.cap-body h3{margin-bottom:12px;font-size:24px}
.cap-body p{font-size:18px;line-height:1.85;max-width:36em}
.cap-tag{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);padding-top:8px;white-space:nowrap}

.ends-section{background:#0B1220;color:#fff}
.ends-section h2,.ends-section h3{color:#fff}
.ends-section .section-head p{color:rgba(255,255,255,.74)}
.ends-section .eyebrow{color:rgba(251,146,60,.95)}
.ends-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.end-block{padding:36px 28px 40px;border-top:2px solid rgba(255,255,255,.12);transition:border-color .3s ease,transform .3s ease}
.end-block:hover{border-top-color:var(--primary);transform:translateY(-4px)}
.end-label{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-2);margin-bottom:18px}
.end-block h3{margin-bottom:14px;font-size:24px}
.end-block p{color:rgba(255,255,255,.72);font-size:17px;line-height:1.8}

.process-rail{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.process-rail li{padding-top:26px;border-top:1px solid rgba(15,23,42,.1)}
.process-rail li:hover{border-top-color:var(--primary)}
.process-rail span{display:block;font-size:2rem;font-weight:800;color:rgba(15,23,42,.12);margin-bottom:14px;line-height:1}
.process-rail li:hover span{color:var(--primary)}
.process-rail h4{margin-bottom:10px}
.process-rail p{font-size:16px;line-height:1.7}

.cta-band{padding:40px 0 110px}
.cta-inner{
  text-align:center;color:#fff;border-radius:32px;padding:72px 48px;
  background:
    radial-gradient(70% 120% at 50% -30%,rgba(249,115,22,.3),transparent 70%),
    linear-gradient(180deg,#0B1220,#080D18);
  border:1px solid rgba(255,255,255,.08);
}
.cta-inner h2{color:#fff;margin-top:16px}
.cta-inner h2::before{margin-left:auto;margin-right:auto}
.cta-inner p{color:rgba(255,255,255,.76);margin:22px auto 34px;font-size:19px;max-width:32em}
.cta-inner .hero-actions{justify-content:center}

/* ========== CONTACT ========== */
.chero{
  position:relative;color:#fff;overflow:hidden;
  min-height:auto;display:flex;align-items:flex-end;
  padding:calc(var(--nav-h) + 72px) 0 0;
  background:linear-gradient(180deg,#080C14 0%,#0B1220 75%,#141C2B 100%);
}
.chero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(48% 48% at 20% 30%,rgba(234,88,12,.24),transparent 70%),
    radial-gradient(40% 40% at 85% 70%,rgba(245,158,11,.12),transparent 70%);
}
.chero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:56px;z-index:1;
  background:var(--bg);border-radius:44px 44px 0 0;
}
.chero-inner{position:relative;z-index:2;max-width:640px;padding-bottom:88px}
.chero .eyebrow{font-size:13px;letter-spacing:.18em;margin-bottom:0}
.chero h1{
  color:#fff;margin:16px 0 18px;
  font-size:clamp(2.8rem,5.5vw,4rem);line-height:1.08;letter-spacing:-.035em;
}
.chero-sub{
  color:rgba(255,255,255,.78);font-size:clamp(17px,1.5vw,20px);
  line-height:1.8;max-width:28em;margin:0;
}

/* ========== ABOUT ========== */
.ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  color:var(--primary);margin-bottom:20px;
  background:rgba(234,88,12,.1);border:1px solid rgba(234,88,12,.12);
}
.ico svg{width:28px;height:28px}
.ico-sm{width:40px;height:40px;border-radius:12px;margin-bottom:16px}
.ico-sm svg{width:22px;height:22px}
.ico-light{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#FB923C;
}

.intro-section{padding-top:72px}
.intro-split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.intro-block{
  padding:40px 36px 44px;
  background:linear-gradient(180deg,#fff,#F8F9FB);
  border:1px solid var(--line);border-radius:28px;
  box-shadow:0 14px 36px -28px rgba(15,23,42,.2);
}
.intro-block .eyebrow{margin-bottom:6px}
.intro-block h2{margin-top:12px;font-size:clamp(1.55rem,2.4vw,2rem);line-height:1.28}
.intro-block h2::before{margin-bottom:16px}
.intro-block p{margin-top:18px;font-size:17px;line-height:1.85}

.timeline-section{
  background:linear-gradient(180deg,transparent,rgba(245,245,247,.85) 28%,rgba(245,245,247,.85) 72%,transparent);
}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.tl-item{padding-top:8px;border-top:2px solid rgba(15,23,42,.1);padding-top:28px;transition:border-color .3s ease}
.tl-item:hover{border-top-color:var(--primary)}
.tl-item time{display:block;font-size:14px;font-weight:800;letter-spacing:.1em;color:var(--primary);margin-bottom:12px}
.tl-item h3{margin-bottom:12px;font-size:22px}
.tl-item p{font-size:17px;line-height:1.8}

.ability-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.ability{
  padding:36px 32px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 12px 28px -22px rgba(15,23,42,.16);
  transition:transform .3s var(--ease),border-color .3s ease;
}
.ability:hover{transform:translateY(-3px);border-color:rgba(234,88,12,.22)}
.ability-wide{grid-column:1 / -1}
.ability h3{margin-bottom:12px}
.ability p{font-size:17px;line-height:1.85;margin-bottom:16px}
.ability-tags{font-size:13px;font-weight:700;letter-spacing:.05em;color:var(--primary)}

.cases-section{background:linear-gradient(180deg,#080C14,#0B1220);color:#fff}
.cases-section h2,.cases-section h3{color:#fff}
.cases-section .section-head p{color:rgba(255,255,255,.74);font-size:19px}
.cases-section .eyebrow{color:rgba(251,146,60,.95)}
.case{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;
  padding:48px 0;border-top:1px solid rgba(255,255,255,.1);
}
.case:last-child{border-bottom:1px solid rgba(255,255,255,.1)}
.case-index{
  display:block;font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--primary-2);margin:4px 0 14px;
}
.case-meta h3{font-size:clamp(1.45rem,2.3vw,1.9rem);margin-bottom:14px;line-height:1.3}
.case-meta p{color:rgba(255,255,255,.72);font-size:17px;line-height:1.8}
.case-points{display:flex;flex-direction:column}
.case-points li{
  padding:15px 0;border-bottom:1px dashed rgba(255,255,255,.12);
  font-size:16.5px;color:rgba(255,255,255,.7);line-height:1.65;
}
.case-points li:last-child{border-bottom:0}
.case-points strong{color:#fff;margin-right:8px}

.bridge-section{padding:72px 0}
.bridge-inner{
  display:grid;grid-template-columns:1.2fr auto auto;gap:32px;align-items:center;
  padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.bridge-copy h2{margin-top:14px;font-size:clamp(1.6rem,2.8vw,2.2rem);max-width:14em}
.bridge-copy p{margin-top:16px;font-size:17px}
.bridge-visual{color:var(--text);opacity:.7;width:160px}
.bridge-visual svg{width:160px;height:auto}

/* ========== CONTACT ========== */
.contact-section{padding-top:48px;padding-bottom:96px}
.contact-shell{
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch;
}
.contact-main{
  display:flex;flex-direction:column;gap:24px;
}
.contact-ways{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:0}
.contact-ways--stack{grid-template-columns:1fr;gap:14px}
.way-card{
  display:flex;flex-direction:column;align-items:flex-start;
  padding:28px 28px;border-radius:24px;background:#fff;
  border:1px solid var(--line);
  box-shadow:0 14px 36px -28px rgba(15,23,42,.22);
  transition:transform .3s var(--ease),border-color .3s ease,box-shadow .3s ease;
  color:inherit;
}
.contact-ways--stack .way-card{
  flex-direction:row;align-items:center;gap:20px;
}
.contact-ways--stack .way-card .ico{margin-bottom:0;flex:none}
a.way-card:hover{
  transform:translateY(-3px);border-color:rgba(234,88,12,.28);
  box-shadow:0 22px 48px -28px rgba(234,88,12,.28);
}
.way-card .ico{margin-bottom:18px}
.way-label{
  display:block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);margin-bottom:8px;
}
.way-card strong{
  display:block;font-size:clamp(1.1rem,1.8vw,1.3rem);font-weight:750;color:var(--text);
  letter-spacing:-.02em;line-height:1.35;word-break:break-all;
}
.way-hint{display:block;margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.5}
.contact-actions-bar{display:flex;flex-wrap:wrap;gap:12px}
.btn-outline{
  background:#fff;color:var(--text);border-color:var(--line);
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.btn-outline:hover{transform:translateY(-2px);border-color:rgba(15,23,42,.18)}

.qr-panel{
  position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:40px 32px 36px;border-radius:28px;
  background:linear-gradient(165deg,#0B1220 0%,#152033 100%);
  color:#fff;border:1px solid rgba(255,255,255,.08);
  box-shadow:0 24px 50px -30px rgba(0,0,0,.55);
  overflow:hidden;
}
.qr-panel::before{
  content:"";position:absolute;inset:auto -30% -40% auto;width:260px;height:260px;
  background:radial-gradient(circle,rgba(234,88,12,.35),transparent 70%);
  pointer-events:none;
}
.qr-badge{
  position:relative;z-index:1;width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:18px;
  background:rgba(255,255,255,.08);color:#FB923C;border:1px solid rgba(255,255,255,.1);
}
.qr-panel h3{position:relative;z-index:1;color:#fff;font-size:22px;margin-bottom:8px}
.qr-panel > p{position:relative;z-index:1;color:rgba(255,255,255,.65);font-size:15px;margin-bottom:24px;max-width:18em}
.qr-frame{
  position:relative;z-index:1;padding:14px;border-radius:20px;background:#fff;
  box-shadow:0 16px 40px -20px rgba(0,0,0,.5);
}
.qr-frame img{
  width:min(220px,58vw);height:auto;aspect-ratio:1;object-fit:contain;
  border-radius:8px;display:block;
}
.qr-tip{
  position:relative;z-index:1;margin-top:20px;
  font-size:13px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(255,255,255,.45);
}

/* Footer */
footer{
  background:linear-gradient(180deg,#080C14,#05080E);color:rgba(255,255,255,.62);
  padding:80px 0 36px;border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{width:min(1120px,90vw);margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .brand-name{color:#fff;display:inline-block;margin:14px 0}
.footer-desc{font-size:15px;line-height:1.8;color:rgba(255,255,255,.55);max-width:34ch}
footer h5{color:#fff;font-size:14px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col p{font-size:15px;color:rgba(255,255,255,.55)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.4);
}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.reveal.is-in,.reveal.in{opacity:1;transform:none}

@keyframes drift{
  0%{transform:translate3d(0,0,0) scale(1)}
  100%{transform:translate3d(2%,-1.5%,0) scale(1.06)}
}
@keyframes rise{
  from{opacity:0;transform:translateY(24px)}
  to{opacity:1;transform:translateY(0)}
}

@media (max-width:1024px){
  .value-grid,.ends-grid,.process-rail,.intro-split,.timeline,.ability-grid,.contact-ways,.contact-shell,.footer-grid{grid-template-columns:1fr 1fr}
  .value-item{border-left:0;padding:20px 0 0;border-top:1px solid var(--line)}
  .value-item:first-child{border-top:0;padding-top:0}
  .cap-row{grid-template-columns:64px 1fr;gap:18px}
  .cap-tag{grid-column:2}
  .process-rail{gap:28px}
  .footer-brand{grid-column:1/-1}
  .case{grid-template-columns:1fr;gap:20px}
  .bridge-inner{grid-template-columns:1fr;gap:24px}
  .ability-wide{grid-column:1 / -1}
}
@media (max-width:760px){
  body{font-size:16.5px}
  nav.main-nav{display:none}
  .value-grid,.ends-grid,.process-rail,.intro-split,.timeline,.ability-grid,.contact-ways,.contact-shell,.footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.cta-inner .hero-actions .btn,.contact-actions-bar .btn{width:100%}
  .cta-inner{padding:56px 24px}
  .phero-stage::before,.chero::after{height:40px;border-radius:32px 32px 0 0}
  .intro-block,.ability,.way-card{padding:24px 20px}
  .bridge-visual{display:none}
  .qr-panel{padding:32px 24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}