/* Inno-Geosyn — industrial B2B theme */
:root{
  --navy:#0e2a47;
  --navy-2:#14355c;
  --steel:#1b6ca8;
  --accent:#e8762b;
  --accent-dark:#c95f16;
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#22303f;
  --muted:#5b6b7d;
  --line:#dfe6ee;
  --radius:10px;
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:#fff;line-height:1.65;font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--steel);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:64px 0}
h1,h2,h3{line-height:1.25;color:var(--navy)}
h1{font-size:2.4rem;margin-bottom:16px}
h2{font-size:1.8rem;margin-bottom:14px}
h3{font-size:1.2rem;margin-bottom:10px}
p{margin-bottom:14px}
.lead{font-size:1.12rem;color:var(--muted)}
.section-title{text-align:center;margin-bottom:12px}
.section-sub{text-align:center;color:var(--muted);max-width:720px;margin:0 auto 40px}

/* ---------- header ---------- */
.site-header{background:var(--navy);position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:1.15rem}
.brand:hover{text-decoration:none}
.brand img{height:64px;width:auto;border-radius:14px;background:#fff;border:1px solid rgba(255,255,255,.9);box-shadow:0 4px 18px rgba(0,0,0,.28);padding:4px 16px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav>a,.drop-btn{color:#dbe6f2;padding:10px 14px;font-size:.95rem;background:none;border:0;cursor:pointer;font-family:inherit}
.main-nav>a:hover,.drop-btn:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.08);border-radius:6px}
.dropdown{position:relative}
.drop-menu{position:absolute;top:100%;left:0;background:#fff;min-width:230px;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.2);padding:8px;display:none}
.dropdown:hover .drop-menu{display:block}
.drop-menu a{display:block;padding:10px 14px;color:var(--text);font-size:.93rem;border-radius:6px}
.drop-menu a:hover{background:var(--bg);text-decoration:none;color:var(--navy)}
.btn{display:inline-block;background:var(--accent);color:#fff!important;padding:12px 26px;border-radius:8px;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn-outline{background:transparent;border:2px solid #fff;color:#fff!important}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.nav-cta{margin-left:10px}
.hamburger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;padding:110px 0;background:var(--navy) center/cover}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,42,71,.94) 30%,rgba(14,42,71,.55))}
.hero .container{position:relative}
.hero h1{color:#fff;font-size:2.7rem;max-width:640px}
.hero p{max-width:600px;font-size:1.12rem;color:#d7e3f1}
.hero-btns{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.page-hero{background:var(--navy);color:#fff;padding:70px 0}
.page-hero h1{color:#fff}
.page-hero p{color:#c9d8ea;max-width:720px}

/* ---------- cards / grids ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(14,42,71,.12)}
.card-body{padding:22px}
.card-body h3{margin-bottom:8px}
.card-body p{color:var(--muted);font-size:.95rem}
.app-card img{height:170px;width:100%;object-fit:cover}
.alt{background:var(--bg)}

/* ---------- spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.95rem}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.spec-table th{background:var(--navy);color:#fff}
.spec-table tr:nth-child(even) td{background:#f8fafc}

/* ---------- feature list ---------- */
.check-list{list-style:none;margin:16px 0}
.check-list li{padding:8px 0 8px 30px;position:relative}
.check-list li::before{content:"✓";position:absolute;left:0;color:#1e9e5a;font-weight:700}

/* ---------- forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;max-width:640px;margin:0 auto;box-shadow:0 8px 24px rgba(14,42,71,.08)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-weight:600;margin-bottom:6px;font-size:.93rem}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:7px;font-size:1rem;font-family:inherit}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:2px solid var(--steel);border-color:var(--steel)}
.form-row textarea{min-height:130px;resize:vertical}
.honeypot{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.form-msg{margin-top:14px;padding:12px 16px;border-radius:7px;display:none}
.form-msg.ok{display:block;background:#e6f7ec;color:#146c36;border:1px solid #bfe6cc}
.form-msg.err{display:block;background:#fdecec;color:#a12323;border:1px solid #f5c6c6}

/* ---------- blog ---------- */
.post-list{display:grid;gap:22px}
.post-card{display:grid;grid-template-columns:220px 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.post-card .post-thumb{background:var(--navy);min-height:150px}
.post-card .card-body h3 a{color:var(--navy)}
.article{max-width:780px;margin:0 auto}
.article h2{margin-top:34px}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{margin-bottom:8px}
.meta{color:var(--muted);font-size:.88rem;margin-bottom:20px}

/* ---------- footer ---------- */
footer{background:var(--navy);color:#c9d8ea;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1.6fr;gap:30px;margin-bottom:34px}
footer h4{color:#fff;margin-bottom:14px;font-size:1rem;text-align:left}
footer a{color:#c9d8ea;font-size:.93rem}
footer ul{list-style:none}
footer li{margin-bottom:8px}
.footer-brand p{font-size:.92rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:flex-end;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom .follow-us{margin:0}

/* ---------- misc ---------- */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;text-align:center;padding:60px 20px}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#c9d8ea;max-width:620px;margin:0 auto 24px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;margin-top:36px}
.stat-num{font-size:2rem;font-weight:700;color:var(--accent)}
.stat-label{color:var(--muted);font-size:.92rem}
.badge{display:inline-block;background:#e8f1fa;color:var(--steel);font-size:.8rem;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:10px}
.note{background:#fff8ec;border:1px solid #f3d9a8;border-radius:8px;padding:14px 18px;font-size:.93rem;margin:18px 0}

/* ---------- content photos ---------- */
.ph{width:100%;height:auto;border-radius:12px;box-shadow:0 8px 24px rgba(14,42,71,.12);display:block}
.ph-cap{font-size:.85rem;color:var(--muted);margin:10px 0 28px;text-align:center}
figure.ph-fig{margin:24px 0 0}
.ph-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:24px 0 6px}
.ph-grid figure{margin:0}
.ph-grid .ph-cap{margin:10px 0 0}

/* ---------- connect / social ---------- */
.connect-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 32px;max-width:960px;margin:0 auto;box-shadow:0 8px 24px rgba(14,42,71,.08);text-align:center}
.connect-card h2{margin-bottom:8px}
.connect-card>p{color:var(--muted);margin-bottom:30px}
.social-icons{display:flex;justify-content:center;gap:30px;flex-wrap:nowrap;margin-top:6px}
.social-btn{display:flex;flex-direction:column;align-items:center;gap:10px;background:none;border:0;cursor:pointer;font:inherit;color:var(--text);padding:0}
a.social-btn:hover{text-decoration:none}
.social-btn svg{width:62px;height:62px;border-radius:50%;background:var(--brand);fill:#fff;padding:15px;transition:transform .15s ease}
.social-btn:hover svg{transform:scale(1.1)}
.social-btn span{font-size:.92rem;font-weight:600}
.wechat-popup{margin-top:26px}
.wechat-popup img{width:180px;height:auto;border-radius:10px;border:1px solid var(--line);margin:0 auto 8px}
.wechat-popup p{color:var(--muted);font-size:.92rem;margin:0}
.social-btn.is-soon{cursor:default}
.social-btn.is-soon svg{background:#edf1f5;border:2px dashed #9aa7b5;fill:#9aa7b5}
.social-btn.is-soon:hover svg{transform:none}
.footer-social .is-soon{cursor:default}
.footer-social .is-soon svg{background:#edf1f5;fill:#9aa7b5}
.footer-social{display:flex;gap:8px;margin-top:0;flex-wrap:nowrap}
.follow-us{font-size:.78rem;color:#9fb2c8;margin:34px 0 12px;text-transform:uppercase;letter-spacing:.07em}
.footer-social a{display:inline-block;line-height:0}
.footer-social svg{width:34px;height:34px;border-radius:50%;background:var(--brand);fill:#fff;padding:8px;transition:transform .15s ease}
.footer-social a:hover svg{transform:scale(1.12)}

@media(max-width:1100px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .grid3,.grid4{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
  .ph-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .post-card{grid-template-columns:1fr}
  h1{font-size:1.9rem}
  .hero{padding:70px 0}
  .hero h1{font-size:2rem}
}
@media(max-width:640px){
  .main-nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--navy);flex-direction:column;align-items:stretch;padding:10px 20px 20px}
  .main-nav.open{display:flex}
  .dropdown:hover .drop-menu{display:none}
  .drop-menu{position:static;box-shadow:none;background:transparent;display:block;padding:0 0 0 14px}
  .drop-menu a{color:#dbe6f2}
  .hamburger{display:block}
  .grid3,.grid4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:44px 0}
}

.chat-big{font-size:1.7rem;text-align:center;margin-bottom:26px}

.cap-bar{background:var(--navy);color:#fff;padding:26px 0;border-top:1px solid rgba(255,255,255,.08)}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.cap-grid strong{display:block;font-size:1.5rem;letter-spacing:.02em}
.cap-grid span{color:#9fb2c8;font-size:.85rem}
@media(max-width:900px){.cap-grid{grid-template-columns:1fr 1fr;gap:16px}}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.opt{color:var(--muted);font-weight:400;font-size:.82em}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:28px}
.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 18px}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;margin-bottom:10px}
.step h3{font-size:1rem;margin:0 0 6px}
.step p{margin:0;color:var(--muted);font-size:.9rem}