/* IGSET — sunuz-style corporate theme */
:root{
  --red:#c8102e; --red-d:#a00d25; --ink:#1d1d1d; --gray:#6b6b6b; --line:#e6e6e6;
  --bg:#ffffff; --bg-soft:#f7f7f7;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:700;line-height:1.25}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{max-width:1400px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{width:26px;height:2px;background:#333}
.hamburger .red{background:var(--red)}
.main-nav{display:flex;gap:30px;margin-left:12px}
.main-nav>a,.has-drop>a{display:block;padding:25px 0;font-size:14px;letter-spacing:.06em;color:#333;font-weight:500}
.main-nav a.active,.main-nav a:hover{color:var(--red)}
.has-drop{position:relative}
.has-drop .drop{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 40px rgba(0,0,0,.08);display:none;padding:10px 0}
.has-drop:hover .drop{display:block}
.drop a{display:block;padding:9px 20px;font-size:13px;color:#444}
.drop a:hover{background:var(--bg-soft);color:var(--red)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:14px}
.signin{color:#333}
.signin:hover{color:var(--red)}
.lang{color:#777;cursor:pointer}
.mega-menu{display:none;border-top:1px solid var(--line);background:#fff;position:absolute;left:0;right:0;box-shadow:0 30px 60px rgba(0,0,0,.08)}
.mega-menu.open{display:block}
.mega-inner{max-width:1200px;margin:0 auto;padding:36px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.mega-col h4{font-size:13px;letter-spacing:.12em;color:var(--red);margin-bottom:12px}
.mega-col a{display:block;padding:5px 0;font-size:14px;color:#444}
.mega-col a:hover{color:var(--red)}
.flash{position:fixed;top:80px;left:50%;transform:translateX(-50%);z-index:200;padding:12px 26px;border-radius:4px;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.12)}
.flash.ok{background:#e8f7ee;color:#157347;border:1px solid #b7e4c7}
.flash.err{background:#fdecea;color:#b3261e;border:1px solid #f5c6c0}

/* ---------- hero slider ---------- */
.hero{position:relative;height:82vh;min-height:560px;overflow:hidden;background:#111}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;display:flex;align-items:center;justify-content:center;text-align:center}
.slide.on{opacity:1}
.slide .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);transition:transform 7s linear}
.slide.on .bg{transform:scale(1.12)}
.slide .bg::after{content:"";position:absolute;inset:0;background:rgba(20,10,10,.45)}
.slide .sc{position:relative;z-index:2;color:#fff;max-width:900px;padding:0 24px}
.slide h1{font-size:clamp(30px,4.4vw,56px);margin-bottom:10px}
.slide .sub{font-size:clamp(15px,1.6vw,20px);color:rgba(255,255,255,.85);margin-bottom:8px}
.slide .sc a{display:inline-block;margin-top:26px;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:6px;font-size:15px;letter-spacing:.05em}
.slide .sc a:hover{border-color:var(--red);color:#ffb3bd}
.slide-idx{position:absolute;left:6%;top:50%;transform:translateY(-50%);z-index:3;color:#fff;display:flex;flex-direction:column;gap:22px}
.slide-idx button{background:none;border:0;color:rgba(255,255,255,.55);font-size:17px;cursor:pointer;text-align:left;font-family:Georgia,serif}
.slide-idx button.on{color:#fff;font-size:22px}
.slide-idx button.on::before{content:"—  "}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-kicker{color:var(--red);font-size:13px;letter-spacing:.22em;text-transform:uppercase;margin-bottom:14px}
.sec-head h2{font-size:clamp(26px,3vw,40px)}
.sec-head p{color:var(--gray);margin-top:14px;font-size:15px}
.btn{display:inline-block;padding:13px 34px;font-size:14px;letter-spacing:.04em;border-radius:2px;transition:.25s;border:1px solid transparent}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d)}
.btn-ghost{border-color:#fff;color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-dark:hover{background:var(--ink);color:#fff}

/* solution cards */
.sol-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px}
.sol-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.sol-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(0,0,0,.1)}
.sol-card img{height:170px;width:100%;object-fit:cover}
.sol-card .sc-body{padding:20px;flex:1;display:flex;flex-direction:column}
.sol-card h3{font-size:17px;margin-bottom:8px;font-family:inherit}
.sol-card p{font-size:13px;color:var(--gray);flex:1}
.sol-card .lm{color:var(--red);font-size:13px;margin-top:14px;letter-spacing:.05em}

/* product strip */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.prod-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.3s}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.09)}
.prod-card img{height:200px;width:100%;object-fit:cover;background:#f2f2f2}
.prod-card .pc-body{padding:18px}
.prod-card .pc-cat{font-size:11px;letter-spacing:.14em;color:var(--red)}
.prod-card h3{font-size:16px;margin:6px 0;font-family:inherit}
.prod-card p{font-size:13px;color:var(--gray)}
.cat-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.cat-filter a{padding:8px 18px;border:1px solid var(--line);font-size:13px;color:#555;border-radius:20px}
.cat-filter a.on,.cat-filter a:hover{background:var(--red);border-color:var(--red);color:#fff}

/* offices */
.office-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.office{background:#fff;border:1px solid var(--line)}
.office img{height:180px;width:100%;object-fit:cover}
.office .of{padding:22px}
.office h3{font-size:16px;font-family:inherit;letter-spacing:.06em}
.office .tag{color:var(--red);font-size:13px;margin:6px 0 10px}
.office p{font-size:13px;color:var(--gray)}

/* community */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.post-card{border:1px solid var(--line);background:#fff;overflow:hidden;transition:.3s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.09)}
.post-card img{height:190px;width:100%;object-fit:cover}
.post-card .pb{padding:20px}
.post-card .meta{font-size:12px;color:#999;display:flex;gap:12px;margin-bottom:8px}
.post-card h3{font-size:17px;font-family:inherit;margin-bottom:8px}
.post-card p{font-size:13px;color:var(--gray)}
.badge{display:inline-block;background:rgba(200,16,46,.09);color:var(--red);font-size:11px;padding:3px 10px;border-radius:12px;letter-spacing:.06em}

/* forms */
.form-card{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);padding:38px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:#555;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #d8d8d8;font-size:14px;font-family:inherit;border-radius:2px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}

/* tables (admin) */
.admin-wrap{max-width:1200px;margin:0 auto;padding:40px 24px}
.admin-nav{display:flex;gap:6px;margin-bottom:30px;flex-wrap:wrap}
.admin-nav a{padding:9px 18px;border:1px solid var(--line);font-size:13px}
.admin-nav a.on{background:var(--ink);color:#fff}
table.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:14px}
.tbl th,.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{font-size:12px;letter-spacing:.08em;color:#777;background:var(--bg-soft)}
.tbl tr:hover td{background:#fafafa}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:34px}
.stat{border:1px solid var(--line);padding:24px;background:#fff}
.stat .n{font-size:32px;font-family:Georgia,serif;color:var(--red)}
.stat .l{font-size:13px;color:var(--gray)}

/* footer */
.site-footer{background:#171717;color:#bbb;margin-top:0}
.footer-cta{text-align:center;padding:90px 24px;border-bottom:1px solid #2a2a2a}
.footer-cta h2{color:#fff;font-size:clamp(26px,3.4vw,42px);margin-bottom:30px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.footer-cols{max-width:1200px;margin:0 auto;padding:60px 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.fcol p{font-size:13px;color:#888;margin-top:16px}
.fcol h5{color:#fff;font-size:13px;letter-spacing:.12em;margin-bottom:14px}
.fcol a{display:block;font-size:13px;color:#999;padding:4px 0}
.fcol a:hover{color:#fff}
.footer-bar{border-top:1px solid #2a2a2a;padding:18px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:#777;max-width:1200px;margin:0 auto}

/* misc */
.page-hero{background:linear-gradient(rgba(20,12,12,.55),rgba(20,12,12,.55)),var(--ph,none) center/cover;background-color:#2a2a2a;color:#fff;padding:110px 24px;text-align:center}
.page-hero h1{font-size:clamp(28px,3.6vw,46px)}
.page-hero p{color:rgba(255,255,255,.8);margin-top:12px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.prose{font-size:15px;color:#444;line-height:1.9;white-space:pre-line}
.pager{display:flex;gap:8px;justify-content:center;margin-top:40px}
.pager a{padding:8px 14px;border:1px solid var(--line);font-size:13px}
.pager a.on{background:var(--red);color:#fff;border-color:var(--red)}

@media (max-width:960px){
  .hamburger{display:flex}
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:10px 24px 20px}
  .main-nav.open{display:flex}
  .has-drop .drop{position:static;box-shadow:none;border:0;padding-left:14px}
  .split{grid-template-columns:1fr;gap:30px}
  .footer-cols{grid-template-columns:1fr 1fr}
  .slide-idx{left:4%}
  .form-grid{grid-template-columns:1fr}
}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}