/* ============================================================
   CustGlobal — Made in China, Customized for the World
   Brand color: #0066CC · Industrial tech style · Responsive
   ============================================================ */
:root{
  --blue:#0066CC;
  --blue-dark:#004A99;
  --blue-light:#E8F1FB;
  --ink:#1A2433;
  --gray:#5B6B7C;
  --line:#E3E9F0;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FC;
  --radius:12px;
  --shadow:0 10px 30px rgba(0,60,120,.08);
  --font:"Inter","SF Pro Display","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:-.01em}
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:88px 0}
.section.soft{background:var(--bg-soft)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo-mark{width:34px;height:34px;flex:none}
.brand .logo-text{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand .logo-text span{color:var(--blue)}
.brand .logo-sub{display:block;font-size:10px;font-weight:600;color:var(--gray);letter-spacing:.14em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;font-weight:500;color:var(--ink)}
.nav a:hover{color:var(--blue)}
.nav .btn{background:var(--blue);color:#fff;padding:9px 20px;border-radius:8px;font-weight:600}
.nav .btn:hover{background:var(--blue-dark);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);display:block}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#F2F7FD 0%,#E4EEF9 55%,#D8E7F5 100%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:90px 0}
.hero-copy h1{font-size:52px;font-weight:800;margin-bottom:22px}
.hero-copy h1 em{font-style:normal;color:var(--blue)}
.hero-copy p{font-size:18px;color:var(--gray);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:13px 30px;border-radius:9px;font-weight:600;font-size:15px;transition:.2s}
.btn:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--blue);border:1.5px solid var(--blue)}
.btn.ghost:hover{background:var(--blue-light)}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-stats{display:flex;gap:40px;margin-top:44px;flex-wrap:wrap}
.hero-stats b{font-size:28px;color:var(--blue)}
.hero-stats span{display:block;font-size:13px;color:var(--gray)}

/* ---------- Section titles ---------- */
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-head .kicker{font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.sec-head h2{font-size:36px;margin-bottom:14px}
.sec-head p{color:var(--gray);font-size:16px}

/* ---------- Product lines ---------- */
.lines-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.line-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.line-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--blue)}
.line-card img{width:100%;height:210px;object-fit:cover}
.line-card .body{padding:22px}
.line-card h3{font-size:19px;margin-bottom:8px}
.line-card p{font-size:14px;color:var(--gray)}
.line-card .more{display:inline-block;margin-top:14px;font-weight:600;font-size:14px}

/* ---------- Categories ---------- */
.cats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-chip{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:18px 20px;font-weight:600;font-size:15px;color:var(--ink);display:flex;align-items:center;gap:10px;transition:.2s}
.cat-chip:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.cat-chip svg{width:20px;height:20px;flex:none}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.25s}
.service-card:hover{box-shadow:var(--shadow);border-color:var(--blue)}
.service-card .ico{width:52px;height:52px;border-radius:12px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--blue)}
.service-card h3{font-size:18px;margin-bottom:10px}
.service-card p{font-size:14px;color:var(--gray)}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px 26px}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:20px;right:20px;font-size:34px;font-weight:800;color:var(--blue-light)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--gray)}

/* ---------- Creator network ---------- */
.creator-banner{background:linear-gradient(120deg,var(--blue) 0%,var(--blue-dark) 100%);color:#fff;border-radius:var(--radius);padding:56px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.creator-banner h2{font-size:32px;margin-bottom:16px}
.creator-banner p{opacity:.92;font-size:16px}
.creator-banner .btn{background:#fff;color:var(--blue)}
.creator-banner .btn:hover{background:var(--blue-light)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.stat{text-align:center;padding:28px 12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.stat b{font-size:34px;color:var(--blue);display:block}
.stat span{font-size:14px;color:var(--gray)}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-grid img{border-radius:var(--radius);box-shadow:var(--shadow)}
.about-copy h2{font-size:34px;margin-bottom:18px}
.about-copy p{color:var(--gray);margin-bottom:16px}
.fact-list{margin-top:20px}
.fact-list li{list-style:none;display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:15px}
.fact-list svg{width:20px;height:20px;color:var(--blue);flex:none;margin-top:2px}

/* ---------- Payment ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pay-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.pay-card h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:16px}
.pay-card .flag{font-size:22px}
.pay-card dl{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:14px}
.pay-card dt{color:var(--gray);font-weight:600}
.pay-card dd{word-break:break-all}
.pay-note{margin-top:26px;font-size:14px;color:var(--gray);background:var(--bg-soft);border-radius:10px;padding:16px 20px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.contact-form label{font-size:14px;font-weight:600;display:block;margin-bottom:8px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;margin-bottom:18px;background:#fff}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.contact-info h3{font-size:22px;margin-bottom:18px}
.contact-info li{list-style:none;display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--gray)}
.contact-info svg{width:20px;height:20px;color:var(--blue);flex:none;margin-top:2px}

/* ---------- Product page ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter-btn{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 20px;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.2s}
.filter-btn:hover{border-color:var(--blue);color:var(--blue)}
.filter-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.product-card img{width:100%;height:200px;object-fit:cover}
.product-card .body{padding:18px}
.product-card h3{font-size:16px;margin-bottom:6px}
.product-card p{font-size:13.5px;color:var(--gray);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card .tag{display:inline-block;background:var(--blue-light);color:var(--blue);font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;margin-bottom:10px}

/* ---------- Footer ---------- */
.site-footer{background:#0F1B2A;color:#A9B6C5;padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-grid a{display:block;color:#A9B6C5;font-size:14px;padding:5px 0}
.footer-grid a:hover{color:#fff}
.footer-brand .logo-text{color:#fff;font-size:22px;font-weight:800}
.footer-brand p{font-size:14px;margin-top:12px;max-width:320px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Admin ---------- */
.admin-body{background:var(--bg-soft)}
.admin-wrap{width:min(1100px,94%);margin:40px auto}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:24px}
.admin-card h2{font-size:20px;margin-bottom:20px}
.admin-tabs{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th,.admin-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line)}
.admin-table th{color:var(--gray);font-weight:600;font-size:13px}
.admin-table img{width:64px;height:48px;object-fit:cover;border-radius:6px}
.login-box{width:min(400px,92%);margin:120px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.login-box h1{font-size:22px;margin-bottom:24px;text-align:center}
.login-box input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;margin-bottom:14px;font-size:15px}
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:#111;color:#fff;padding:12px 22px;border-radius:8px;font-size:14px;z-index:999;opacity:0;transition:.3s;pointer-events:none}
.toast.show{opacity:1}
input[type="file"]{padding:10px;border:1px dashed var(--line);border-radius:8px;width:100%}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .lines-grid,.services-grid,.cats-grid,.products-grid{grid-template-columns:repeat(3,1fr)}
  .hero-copy h1{font-size:42px}
}
@media (max-width:820px){
  .lines-grid,.services-grid,.cats-grid,.products-grid,.steps,.stats-row{grid-template-columns:repeat(2,1fr)}
  .hero-inner,.about-grid,.contact-grid,.creator-banner{grid-template-columns:1fr}
  .hero-copy h1{font-size:36px}
  .section{padding:64px 0}
  .sec-head h2{font-size:28px}
  .pay-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  .nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 8%;gap:18px;border-bottom:1px solid var(--line);display:none;box-shadow:0 20px 30px rgba(0,0,0,.08)}
  .nav.open{display:flex}
}
@media (max-width:520px){
  .lines-grid,.services-grid,.cats-grid,.products-grid,.steps,.stats-row,.footer-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:30px}
  .hero-inner{padding:56px 0}
  .hero-stats{gap:24px}
  .hero-stats b{font-size:22px}
}