/* ===== 倾力科技 V2 · IT 科技风 ===== */
:root{
  --bg0:#04060e; --bg1:#070b18; --bg2:#0d1428;
  --neon:#00d4ff; --neon2:#3b82f6; --purple:#8b5cf6; --green:#34d399; --cyan2:#22d3ee;
  --t1:#eef4ff; --t2:#a8b6d8; --t3:#5f6f95;
  --glass:rgba(14,22,46,.55); --line:rgba(90,140,255,.16);
  --radius:16px; --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg0); color:var(--t1); line-height:1.7;
  overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
a{color:inherit; text-decoration:none}
ul{list-style:none}
img{max-width:100%; display:block}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px}

/* ===== 导航 ===== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(6,9,20,.35); border-bottom:1px solid transparent;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  transition:background .35s,border-color .35s,box-shadow .35s;
}
.site-header.scrolled{
  background:rgba(6,9,20,.82); border-bottom-color:var(--line);
  box-shadow:0 8px 32px rgba(0,0,0,.45);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:72px}
.logo{display:flex; align-items:center; gap:12px}
.logo img{height:34px; width:auto; filter:brightness(1.4) contrast(1.1); margin:0}
.logo-txt{font-size:14px; font-weight:600; color:var(--t1); letter-spacing:2px; display:none}
.site-nav ul{display:flex; gap:8px}
.site-nav a{
  display:block; padding:8px 18px; font-size:15px; color:var(--t2);
  border-radius:8px; transition:color .25s,background .25s,box-shadow .25s;
}
.site-nav a:hover{color:var(--t1); background:rgba(0,212,255,.08)}
.site-nav a.active{color:var(--neon); text-shadow:0 0 18px rgba(0,212,255,.55)}
.nav-toggle{display:none; width:44px; height:44px; background:none; border:0; cursor:pointer; flex-direction:column; gap:6px; align-items:center; justify-content:center}
.nav-toggle span{display:block; width:22px; height:2px; background:var(--t1); transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  background:radial-gradient(1000px 500px at 75% -10%, rgba(59,130,246,.20), transparent 60%),
             radial-gradient(800px 420px at 12% 110%, rgba(139,92,246,.14), transparent 60%),
             linear-gradient(180deg,#04060e 0%,#070b18 70%,#04060e 100%);
  overflow:hidden; padding-top:72px;
}
#heroCanvas{position:absolute; inset:0; width:100%; height:100%; opacity:.55}
.hero-grid{
  position:absolute; inset:0;
  background-image:linear-gradient(rgba(90,140,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(75% 70% at 50% 45%,#000 30%,transparent 100%);
  mask-image:radial-gradient(75% 70% at 50% 45%,#000 30%,transparent 100%);
  pointer-events:none;
}
.hero-content{position:relative; z-index:2; padding-bottom:14vh; padding-top:6vh}
.hero-tag{
  display:inline-block; font-size:14px; letter-spacing:4px; color:var(--neon);
  border:1px solid rgba(0,212,255,.35); border-radius:99px; padding:6px 18px;
  background:rgba(0,212,255,.07); margin-bottom:30px;
}
.hero-title{
  font-size:clamp(34px,6vw,64px); font-weight:800; line-height:1.25; letter-spacing:1px;
  background:linear-gradient(120deg,#fff 30%,#9fd8ff 65%,#00d4ff);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  margin-bottom:22px;
}
.hero-sub{font-size:clamp(15px,2vw,19px); color:var(--t2); max-width:640px; margin-bottom:34px}
.hero-slogan{
  font-size:clamp(20px,3vw,30px); font-weight:700; color:var(--t1); margin-bottom:8px;
  text-shadow:0 0 28px rgba(139,92,246,.6);
}
.hero-slogan2{font-size:clamp(14px,1.8vw,17px); color:var(--t3); margin-bottom:44px}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap}
/* ===== オブガント ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s;letter-spacing:.5px}
.btn-primary{background:linear-gradient(135deg,#00d4ff,#3b82f6);color:#03101c;box-shadow:0 0 28px rgba(0,212,255,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 40px rgba(0,212,255,.55)}
.btn-ghost{border:1px solid rgba(120,160,255,.35);color:var(--t1);background:rgba(120,160,255,.05)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);background:rgba(0,212,255,.08);transform:translateY(-3px)}
.hero-scroll{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);width:26px;height:44px;border:2px solid rgba(120,160,255,.4);border-radius:14px;z-index:3}
.hero-scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--neon);animation:scrollDot 1.8s ease-in-out infinite}
@keyframes scrollDot{0%{transform:translateY(0);opacity:1}70%{transform:translateY(16px);opacity:0}100%{opacity:0}}

/* ===== スビション ===== */
.section{padding:96px 0;position:relative}
.section-head{text-align:center;margin-bottom:56px}
.section-label{font-size:14px;letter-spacing:6px;color:var(--neon);text-transform:uppercase;margin-bottom:12px}
.section-title{font-size:clamp(28px,4.5vw,44px);font-weight:800;letter-spacing:2px;display:inline-block}
.section-bar{width:64px;height:3px;margin:22px auto 0;border-radius:2px;background:linear-gradient(90deg,var(--neon),var(--purple));box-shadow:0 0 14px rgba(0,212,255,.6)}

/* 解决方案 */
.solutions{background:linear-gradient(180deg,var(--bg0),var(--bg2) 50%,var(--bg0))}
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.solution-card{position:relative;padding:40px 34px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);overflow:hidden;transition:transform .35s,border-color .35s,box-shadow .35s}
.solution-card:hover{transform:translateY(-8px);border-color:rgba(0,212,255,.45);box-shadow:0 18px 50px rgba(0,0,0,.5),0 0 30px rgba(0,212,255,.12)}
.solution-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,212,255,.7),transparent)}
.s-num{position:absolute;top:26px;right:30px;font-size:40px;font-weight:800;color:rgba(120,160,255,.10);line-height:1}
.s-icon{width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:26px;border:1px solid}
.i-blue{color:var(--neon);border-color:rgba(0,212,255,.4);background:rgba(0,212,255,.08);box-shadow:0 0 22px rgba(0,212,255,.15)}
.i-cyan{color:var(--cyan2);border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.08);box-shadow:0 0 22px rgba(34,211,238,.15)}
.i-purple{color:var(--purple);border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.08);box-shadow:0 0 22px rgba(139,92,246,.15)}
.i-green{color:var(--green);border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.08);box-shadow:0 0 22px rgba(52,211,153,.15)}
.s-title{font-size:21px;font-weight:700;margin-bottom:16px;letter-spacing:1px}
.s-text{font-size:14.5px;color:var(--t2);line-height:1.95}
.s-text+.s-text{margin-top:12px}
/* ===== のachinery corporation-in ==?? */
.about{background:linear-gradient(180deg,var(--bg0),var(--bg1))}
.about-flex{display:grid;grid-template-columns:1.6fr 1fr;gap:36px;align-items:start}
.about-para{font-size:15px;color:var(--t2);line-height:2.05;margin-bottom:20px;text-align:justify}
.about-para:first-child::first-letter{color:var(--neon);font-size:1.4em;font-weight:700}
.glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.about-card{padding:38px 32px;position:relative;overflow:hidden}
.about-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(139,92,246,.7),transparent)}
.about-card-title{font-size:20px;font-weight:700;margin-bottom:26px;letter-spacing:1px;color:var(--t1)}
.partner-list li{display:flex;align-items:center;justify-content:center;padding:11px 18px;margin-bottom:12px;font-size:15px;font-weight:600;color:var(--t1);border:1px solid var(--line);border-radius:10px;background:rgba(14,22,46,.4);letter-spacing:1px;transition:border-color .3s,color .3s,box-shadow .3s,transform .3s}
.partner-list li:hover{border-color:rgba(0,212,255,.5);color:var(--neon);box-shadow:0 0 18px rgba(0,212,255,.15);transform:translateX(4px)}
.about-card-note{font-size:13.5px;color:var(--t3);margin-top:8px;line-height:1.8;text-align:center}

/* ===== oar cell war-sponsor ==?? */
.contact{background:linear-gradient(180deg,var(--bg1),var(--bg0) 60%,#04060e);position:relative}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.contact-card{padding:46px 28px;text-align:center;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:relative;overflow:hidden;transition:transform .35s,border-color .35s,box-shadow .35s}
.contact-card:hover{transform:translateY(-8px);border-color:rgba(0,212,255,.45);box-shadow:0 18px 50px rgba(0,0,0,.5),0 0 30px rgba(0,212,255,.12)}
.contact-card::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:50%;height:1px;background:linear-gradient(90deg,transparent,rgba(0,212,255,.8),transparent)}
.c-icon{width:64px;height:64px;margin:0 auto 24px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--neon);border:1px solid rgba(0,212,255,.35);background:rgba(0,212,255,.07);box-shadow:0 0 24px rgba(0,212,255,.18)}
.c-icon svg{filter:drop-shadow(0 0 10px rgba(0,212,255,.5))}
.c-label{font-size:15px;color:var(--t3);margin-bottom:10px;letter-spacing:4px}
.c-value{font-size:17.5px;font-weight:700;color:var(--t1);letter-spacing:1px}
.contact-card:nth-child(2) .c-icon{color:var(--cyan2);border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.07);box-shadow:0 0 24px rgba(34,211,238,.18)}
.contact-card:nth-child(2) .c-icon svg{filter:drop-shadow(0 0 10px rgba(34,211,238,.5))}
.contact-card:nth-child(3) .c-icon{color:var(--green);border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.07);box-shadow:0 0 24px rgba(52,211,153,.18)}
.contact-card:nth-child(3) .c-icon svg{filter:drop-shadow(0 0 10px rgba(52,211,153,.5))}

/* ===== Heels ion ==== */
.site-footer{border-top:1px solid var(--line);background:#04060e;padding:52px 0;text-align:center}
.footer-brand{font-size:18px;font-weight:700;letter-spacing:3px;margin-bottom:14px;background:linear-gradient(120deg,#fff,#7cc4ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer-copy{font-size:14px;color:var(--t2)}
.footer-icp{font-size:13px;color:var(--t3);margin-top:8px}

/* ===== narration handshake ==== */
[data-reveal]{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}
[data-reveal].revealed{opacity:1;transform:translateY(0)}
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.revealed{opacity:1;transform:translateY(0)}

/* ===== Style bossay style ==== */
@media(max-width:992px){
  .about-flex{grid-template-columns:1fr}
  .about-right{order:-1}
}
@media(max-width:820px){
  .solution-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:20px}
  .section{padding:88px 0}
  .header-inner{height:64px}
  .logo img{height:38px}
}
@media(max-width:820px){
  .nav-toggle{display:flex;position:relative;z-index:110}
  .site-nav{position:fixed;inset:0;background:rgba(4,6,14,.96);backdrop-filter:blur(18px);transform:translateY(-100%);transition:transform .4s cubic-bezier(.22,.61,.36,1);display:flex;align-items:center;justify-content:center;z-index:105}
  .site-nav.open{transform:translateY(0)}
  .site-nav ul{flex-direction:column;gap:26px}
  .site-nav a{font-size:20px;padding:10px 24px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-scroll span{animation:none}
}