/* Jinjiu Anchor Resin - Bilingual Corporate Website */
:root{--navy:#1a3a5c;--blue:#2b5797;--light-bg:#f7f9fc;--orange:#e67e22;--green:#27ae60;--grey:#6b7280;--border:#e2e8f0;--radius:8px;--shadow:0 2px 12px rgba(0,0,0,.08)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI','Microsoft YaHei',sans-serif;color:#1e293b;line-height:1.7;background:#fff}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* Nav */
nav{background:var(--navy);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:14px 24px;flex-wrap:wrap;gap:10px}
.nav-logo{font-size:1.1rem;font-weight:700;letter-spacing:.5px}
.nav-logo small{font-size:.7rem;display:block;font-weight:400;opacity:.7;margin-top:2px}
.nav-links{display:flex;gap:20px;list-style:none;flex-wrap:wrap}
.nav-links a{color:#c8daf0;font-size:.85rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#fff;text-decoration:none}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#0f2440 100%);color:#fff;text-align:center;padding:80px 24px 60px}
.hero h1{font-size:2.4rem;margin-bottom:8px;font-weight:800}
.hero h1 span{display:block;font-size:1.1rem;font-weight:400;opacity:.75;margin-top:6px}
.hero p{font-size:1.05rem;opacity:.85;max-width:750px;margin:16px auto 0;line-height:1.8}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:32px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .num{font-size:2.2rem;font-weight:800;color:var(--orange)}
.hero-stat .lab{font-size:.8rem;opacity:.7;margin-top:2px}
.cta-btn{display:inline-block;margin-top:28px;background:var(--orange);color:#fff;padding:14px 40px;border-radius:30px;font-size:1rem;font-weight:600;transition:all .25s;border:none;cursor:pointer}
.cta-btn:hover{background:#d35400;text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 16px rgba(230,126,34,.4)}

/* Sections */
section{padding:56px 24px}
section.light-bg{background:var(--light-bg)}
.inner{max-width:1120px;margin:0 auto}
h2{font-size:1.8rem;color:var(--navy);margin-bottom:8px;font-weight:700}
h2 small{display:block;font-size:.82rem;color:var(--grey);font-weight:400;margin-top:4px}
h3{font-size:1.2rem;color:var(--blue);margin:28px 0 12px}
h4{font-size:1.05rem;color:var(--blue);margin:16px 0 8px}

/* Info Grid */
.info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:20px}
.info-card{background:#fff;border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.info-card .label{font-size:.72rem;color:var(--grey);text-transform:uppercase;letter-spacing:.5px}
.info-card .value{font-size:.95rem;font-weight:500;margin-top:2px;color:#1e293b}

/* Cert Badges */
.cert-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.cert-badge{background:#fff;border:1px solid var(--border);border-radius:30px;padding:8px 18px;font-size:.85rem;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow)}

/* Why List */
.why-list{list-style:none;margin-top:8px}
.why-list li{padding:5px 0;font-size:.9rem;color:#374151}

/* Product Cards */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(480px,1fr));gap:24px;margin-top:24px}
.product-card{background:#fff;border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow);border:1px solid var(--border);border-top:4px solid var(--blue);transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.12)}
.product-card .icon{font-size:2.2rem;margin-bottom:8px}
.product-card h3{margin:0 0 4px;font-size:1.15rem}
.product-card h3 span{display:block;font-size:.78rem;color:var(--grey);font-weight:400}
.product-card .desc{font-size:.85rem;color:var(--grey);margin:10px 0 14px;line-height:1.6}
.product-card .spec-table{width:100%;font-size:.8rem;border-collapse:collapse}
.product-card .spec-table td{padding:6px 8px;border-bottom:1px solid var(--border)}
.product-card .spec-table td:first-child{font-weight:600;white-space:nowrap;color:var(--blue);width:160px}
.product-card .capacity{margin-top:14px;background:var(--light-bg);padding:8px 12px;border-radius:var(--radius);font-size:.8rem;font-weight:600;color:var(--navy)}

/* Data Tables */
.data-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.88rem;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.data-table th{background:var(--blue);color:#fff;padding:10px 14px;text-align:left;font-size:.8rem;font-weight:600}
.data-table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.data-table tr:nth-child(even){background:var(--light-bg)}

/* Order Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:20px}
.step{background:#fff;padding:20px;border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid var(--orange);transition:transform .15s}
.step:hover{transform:translateX(3px)}
.step .num{font-size:.75rem;color:var(--orange);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.step .detail{font-size:.82rem;color:var(--grey);margin-top:6px;line-height:1.5}

/* Social Section */
.social-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(480px,1fr));gap:24px;margin-top:20px}
.social-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border)}
.social-card h3{margin:0 0 12px;font-size:1.2rem}
.setup-item{padding:8px 0;font-size:.85rem;line-height:1.6;border-bottom:1px solid #f0f0f0}
.setup-item:last-child{border-bottom:none}
.video-list{list-style:none;margin-top:6px}
.video-list li{padding:6px 0;font-size:.82rem;border-bottom:1px solid #f5f5f5}
.video-list li span{font-weight:600;color:var(--blue)}
.qr-item{background:var(--light-bg);padding:10px 14px;border-radius:var(--radius);margin-bottom:8px;font-size:.82rem;border-left:3px solid var(--green)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:20px}
.contact-item{background:#fff;padding:18px;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;align-items:flex-start;gap:14px;border:1px solid var(--border)}
.contact-icon{font-size:1.8rem;flex-shrink:0;margin-top:2px}
.contact-item .label{font-size:.7rem;color:var(--grey);text-transform:uppercase;letter-spacing:.5px}
.contact-item .value{font-size:.9rem;font-weight:600;color:#1e293b;line-height:1.5}

/* Footer */
footer{background:var(--navy);color:#fff;text-align:center;padding:30px 24px;font-size:.82rem;opacity:.9;line-height:1.8}
footer p{margin:4px 0}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:1.4rem}
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:1.5rem}
  .product-grid,.social-grid{grid-template-columns:1fr}
  .nav-links{font-size:.72rem;gap:12px}
  .steps{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}