/* ============================================================
   ZHRX 睿新供应链 · Global Design System
   Theme: Deep-space blue + gradient accent (international / modern / smart)
   ============================================================ */
:root{
  --bg:#06080f; --bg2:#0a0e1a; --panel:#0d1222; --panel2:#111830;
  --line:rgba(120,150,255,.12); --line2:rgba(120,150,255,.22);
  --txt:#e8ecff; --txt2:#8b93b8; --txt3:#5a6180;
  --acc:#4d7cff; --acc2:#00e5c0; --acc3:#7c5cff;
  --grad:linear-gradient(100deg,#4d7cff 0%,#00e5c0 60%,#7ce8ff 100%);
  --grad2:linear-gradient(135deg,#4d7cff,#7c5cff);
  --font-en:'Space Grotesk',sans-serif; --font-cn:'Noto Sans SC',sans-serif;
  --mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--font-cn);overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--acc);color:#fff}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#232c4d;border-radius:9px}
a{color:inherit;text-decoration:none}
.en{font-family:var(--font-en)} .mono{font-family:var(--mono)}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--acc2);padding:7px 16px;border:1px solid rgba(0,229,192,.28);border-radius:99px;background:rgba(0,229,192,.06)}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc2);box-shadow:0 0 10px var(--acc2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- buttons ---------- */
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:99px;font-size:15px;font-weight:700;background:var(--grad);color:#04101f;border:none;cursor:pointer;box-shadow:0 12px 36px rgba(77,124,255,.4);transition:.3s;font-family:var(--font-cn)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(0,229,192,.45)}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:99px;font-size:15px;font-weight:500;background:transparent;color:var(--txt);border:1px solid var(--line2);cursor:pointer;transition:.3s;font-family:var(--font-cn)}
.btn-ghost:hover{border-color:var(--acc);background:rgba(77,124,255,.08)}
.btn-sm{padding:10px 22px;font-size:13px}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s}
nav.scrolled{background:rgba(6,8,15,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1360px;margin:0 auto;padding:0 32px;height:76px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo img{width:42px;height:42px;display:block;filter:drop-shadow(0 0 14px rgba(77,124,255,.45))}
.logo-name{font-weight:900;font-size:17px;letter-spacing:.04em;line-height:1.2}
.logo-sub{font-family:var(--mono);font-size:9px;letter-spacing:.3em;color:var(--txt3);text-transform:uppercase}
.nav-links{display:flex;gap:32px;font-size:14px;color:var(--txt2)}
.nav-links a{position:relative;padding:6px 0;transition:color .25s}
.nav-links a:hover,.nav-links a.cur{color:var(--txt)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad);transition:width .3s;border-radius:2px}
.nav-links a:hover::after,.nav-links a.cur::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:99px;font-size:13px;background:var(--grad);color:#04101f;font-weight:700;box-shadow:0 8px 26px rgba(77,124,255,.35);transition:.3s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,229,192,.4)}

/* ---------- page hero (sub pages) ---------- */
.page-hero{position:relative;padding:170px 0 90px;overflow:hidden;background:radial-gradient(ellipse 90% 80% at 70% 0%,#0d1430 0%,var(--bg) 70%)}
.page-hero .grid-lines{position:absolute;inset:0;pointer-events:none;opacity:.35;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:90px 90px;mask-image:radial-gradient(ellipse 70% 70% at 50% 30%,#000 20%,transparent 75%)}
.page-hero h1{font-size:clamp(34px,5vw,60px);font-weight:900;line-height:1.15;margin-top:24px;position:relative}
.page-hero .sub{margin-top:18px;max-width:640px;color:var(--txt2);font-size:16px;line-height:1.9;font-weight:300;position:relative}
.crumb{position:relative;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--txt3);margin-top:30px}
.crumb a{color:var(--acc2)}
.crumb span{margin:0 8px;color:var(--txt3)}

/* ---------- sections ---------- */
section{position:relative;padding:110px 0}
.sec-head{max-width:720px;margin-bottom:60px}
.sec-title{font-size:clamp(30px,3.8vw,48px);font-weight:900;line-height:1.2;margin-top:22px}
.sec-title .thin{font-weight:300;color:var(--txt2)}
.sec-desc{margin-top:18px;color:var(--txt2);line-height:1.9;font-size:15.5px;font-weight:300}
.bg2{background:var(--bg2)}

/* ---------- generic cards ---------- */
.card{background:linear-gradient(160deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:22px;transition:.35s}
.card:hover{border-color:var(--line2);transform:translateY(-5px);box-shadow:0 26px 56px rgba(0,0,0,.4)}

/* ---------- forms ---------- */
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;color:var(--txt2);margin-bottom:9px;letter-spacing:.03em}
.field label b{color:var(--acc2);font-weight:500}
.in,select.in,textarea.in{width:100%;background:#0b1020;border:1px solid var(--line2);border-radius:12px;padding:13px 17px;color:var(--txt);font-size:14px;font-family:var(--font-cn);outline:none;transition:.25s}
.in:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(77,124,255,.15)}
select.in{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b93b8' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
textarea.in{min-height:110px;resize:vertical}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}

/* ---------- toast ---------- */
#toast{position:fixed;bottom:34px;left:50%;transform:translateX(-50%) translateY(90px);z-index:999;padding:15px 28px;border-radius:14px;background:rgba(13,18,34,.92);border:1px solid rgba(0,229,192,.4);backdrop-filter:blur(12px);font-size:14px;transition:.4s cubic-bezier(.2,.8,.2,1);box-shadow:0 20px 50px rgba(0,0,0,.5)}
#toast.show{transform:translateX(-50%) translateY(0)}
#toast.err{border-color:rgba(255,95,87,.5)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:#05070d;padding:70px 0 34px}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:50px}
.ft-col h5{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--txt3);text-transform:uppercase;margin-bottom:22px}
.ft-col a{display:block;font-size:13.5px;color:var(--txt2);padding:6px 0;transition:.25s}
.ft-col a:hover{color:var(--acc2);padding-left:6px}
.ft-desc{margin-top:16px;font-size:13px;color:var(--txt3);line-height:1.9;max-width:300px;font-weight:300}
.ft-contact div{display:flex;gap:12px;padding:7px 0;font-size:13.5px;color:var(--txt2)}
.ft-contact .ico{color:var(--acc2)}
.ft-bottom{margin-top:56px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--txt3)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.rv.on{opacity:1;transform:translateY(0)}
.rv-d1{transition-delay:.1s}.rv-d2{transition-delay:.2s}.rv-d3{transition-delay:.3s}

/* ---------- api status pill ---------- */
.api-pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;padding:6px 14px;border-radius:99px;border:1px solid var(--line2);color:var(--txt3)}
.api-pill i{width:7px;height:7px;border-radius:50%;background:#febc2e;display:inline-block}
.api-pill.live i{background:var(--acc2);box-shadow:0 0 8px var(--acc2)}
.api-pill.live{color:var(--acc2);border-color:rgba(0,229,192,.35)}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .nav-links{display:none}
  .ft-grid{grid-template-columns:1fr 1fr}
  .f-row,.f-row3{grid-template-columns:1fr}
}
@media(max-width:640px){
  section{padding:76px 0}
  .ft-grid{grid-template-columns:1fr}
  .page-hero{padding:140px 0 64px}
}