/* ============================================================
   GMTPET Brand Site — Design System  (大气 / premium)
   主色 #1E293B 深空  |  强调 #F59E0B 金琥珀  |  点缀 #10B981
   ============================================================ */
:root{
  --ink:#1E293B;        /* deep space */
  --ink-2:#0F172A;
  --amber:#F59E0B;      /* gold accent */
  --amber-d:#D97706;
  --emerald:#10B981;
  --paper:#F8FAFC;
  --line:rgba(148,163,184,.25);
  --muted:#94A3B8;
  --txt:#0F172A;
  --txt-2:#475569;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.gmtp{ margin:0; background:var(--paper); color:var(--txt);
  font-family:'Inter','Manrope',system-ui,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans SC',sans-serif;
  -webkit-font-smoothing:antialiased; line-height:1.7; font-size:17px; }
.gmtp img{max-width:100%;display:block}
.gmtp a{color:inherit;text-decoration:none}
.gmtp .wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.gmtp section{padding:110px 0}
.gmtp h1,.gmtp h2,.gmtp h3{line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;font-weight:800;color:var(--ink)}
.gmtp h1{font-size:clamp(38px,5.4vw,72px)}
.gmtp h2{font-size:clamp(30px,3.6vw,46px)}
.gmtp h3{font-size:22px}
.gmtp p{margin:0 0 1em;color:var(--txt-2)}
.gmtp .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--amber-d);margin-bottom:18px}
.gmtp .lead{font-size:20px;color:var(--txt-2);max-width:720px}

/* buttons */
.gmtp .btn{display:inline-flex;align-items:center;gap:10px;padding:16px 30px;border-radius:2px;font-weight:700;font-size:15px;letter-spacing:.02em;transition:.25s;border:1.5px solid transparent}
.gmtp .btn-primary{background:var(--amber);color:#111}
.gmtp .btn-primary:hover{background:var(--amber-d);transform:translateY(-2px)}
.gmtp .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.gmtp .btn-ghost:hover{background:rgba(255,255,255,.12)}
.gmtp .btn-dark{background:var(--ink);color:#fff}
.gmtp .btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}

/* ---------- header ---------- */
.gmtp .site-head{position:sticky;top:0;z-index:60;background:rgba(15,23,42,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.gmtp .site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;max-width:1360px}
.gmtp .brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:22px;letter-spacing:.02em}
.gmtp .brand img{height:34px;width:auto}
.gmtp .brand small{display:block;font-size:10px;font-weight:600;letter-spacing:.28em;color:var(--amber);text-transform:uppercase}
.gmtp .nav{display:flex;gap:34px;align-items:center}
.gmtp .nav a{color:rgba(255,255,255,.82);font-size:15px;font-weight:500}
.gmtp .nav a:hover{color:var(--amber)}
.gmtp .head-cta{background:var(--amber);color:#111!important;padding:12px 22px;border-radius:2px;font-weight:700;font-size:14px}
.gmtp .burger{display:none}

/* ---------- hero ---------- */
.gmtp .hero{position:relative;min-height:660px;display:flex;align-items:center;color:#fff;padding:120px 0;overflow:hidden}
.gmtp .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center right;transform:scale(1.02)}
.gmtp .hero::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(9,14,26,.95) 0%,rgba(12,19,34,.80) 42%,rgba(12,19,34,.28) 100%)}
.gmtp .hero .wrap{position:relative;z-index:2}
.gmtp .hero h1{color:#fff;max-width:900px}
.gmtp .hero .lead{color:rgba(255,255,255,.85);font-size:21px}
.gmtp .hero-cta{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.gmtp .hero .tag{color:var(--amber);font-weight:700;letter-spacing:.22em;text-transform:uppercase;font-size:13px;margin-bottom:20px;display:block}

/* ---------- stat band ---------- */
.gmtp .stats{background:var(--ink-2);color:#fff;padding:70px 0}
.gmtp .stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.gmtp .stats .num{font-size:clamp(40px,4.6vw,64px);font-weight:800;color:var(--amber);line-height:1;letter-spacing:-.03em}
.gmtp .stats .lbl{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;letter-spacing:.04em}

/* ---------- generic grid / cards ---------- */
.gmtp .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px}
.gmtp .card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:38px 32px;transition:.28s}
.gmtp .card:hover{transform:translateY(-5px);box-shadow:0 24px 50px -28px rgba(15,23,42,.35);border-color:var(--amber)}
.gmtp .card .ico{width:46px;height:3px;background:var(--amber);margin-bottom:22px}
.gmtp .card h3{margin-bottom:8px}
.gmtp .card p{font-size:16px;margin:0}

/* split (image + text) */
.gmtp .split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;margin-top:20px}
.gmtp .split img{border-radius:4px;box-shadow:0 40px 80px -50px rgba(15,23,42,.6)}
.gmtp .split.rev{grid-template-columns:.95fr 1.05fr}

/* brands */
.gmtp .brand-card{position:relative;border-radius:4px;overflow:hidden;color:#fff;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end;padding:34px;transition:.3s}
.gmtp .brand-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.15),rgba(15,23,42,.9))}
.gmtp .brand-card > *{position:relative;z-index:2}
.gmtp .brand-card h3{color:#fff;margin:0 0 6px;font-size:26px}
.gmtp .brand-card span{color:var(--amber);font-weight:700;font-size:14px}
.gmtp .brand-card:hover{transform:translateY(-6px)}
.gmtp .bc-1{background:linear-gradient(135deg,#F59E0B,#b45309)}
.gmtp .bc-2{background:linear-gradient(135deg,#0ea5e9,#0369a1)}
.gmtp .bc-3{background:linear-gradient(135deg,#10B981,#047857)}

/* certifications */
.gmtp .certs{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin-top:40px}
.gmtp .cert{background:#fff;border:1px solid var(--line);border-radius:3px;padding:22px 34px;font-weight:800;color:var(--ink);letter-spacing:.08em;font-size:14px}

/* news */
.gmtp .news-card{background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:.28s}
.gmtp .news-card:hover{transform:translateY(-5px);box-shadow:0 24px 50px -30px rgba(15,23,42,.35)}
.gmtp .news-card .thumb{aspect-ratio:16/10;background-size:cover;background-position:center}
.gmtp .news-card .body{padding:26px 26px 30px}
.gmtp .news-card h3{font-size:19px}
.gmtp .news-card .meta{font-size:13px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}

/* CTA band */
.gmtp .cta-band{background:linear-gradient(120deg,#0F172A,#1E293B);color:#fff;text-align:center;padding:100px 0}
.gmtp .cta-band h2{color:#fff}
.gmtp .cta-band p{color:rgba(255,255,255,.78);max-width:640px;margin:0 auto 34px}

/* footer */
.gmtp .site-foot{background:#0B1120;color:rgba(255,255,255,.66);padding:70px 0 30px;font-size:15px}
.gmtp .site-foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.gmtp .site-foot h4{color:#fff;font-size:15px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 18px}
.gmtp .site-foot a{color:rgba(255,255,255,.66);display:block;padding:5px 0}
.gmtp .site-foot a:hover{color:var(--amber)}
.gmtp .site-foot .bar{border-top:1px solid rgba(255,255,255,.1);margin-top:52px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}
.gmtp .site-foot .brand{color:#fff}

/* ---------- language switch + google translate cleanup ---------- */
.gmtp .lang-sel{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32);border-radius:2px;padding:7px 10px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.gmtp .lang-sel option{color:#111}
body{top:0!important}
.goog-te-banner-frame,.skiptranslate>iframe,#goog-gt-tt,.goog-tooltip{display:none!important}
.goog-text-highlight{background:none!important;box-shadow:none!important}

/* ---------- inner pages ---------- */
.gmtp .page-hero{background:linear-gradient(120deg,#0F172A,#1E293B);color:#fff;padding:110px 0 90px}
.gmtp .page-hero h1{color:#fff;margin:0;font-size:clamp(32px,4.4vw,56px)}
.gmtp .page-hero .eyebrow{color:var(--amber)}
.gmtp .page-body{max-width:900px}
.gmtp .page-body h2{margin-top:52px;font-size:clamp(26px,3vw,36px)}
.gmtp .page-body h3{margin-top:34px}
.gmtp .page-body p,.gmtp .page-body li{font-size:17.5px;color:var(--txt-2)}
.gmtp .page-body ul{padding-left:20px}
.gmtp .page-body li{margin:8px 0}
.gmtp .page-body img{border-radius:4px;margin:26px 0}
.gmtp .page-body strong{color:var(--ink)}

/* ---------- AI chat widget ---------- */
.gmtp .gmt-ai{position:fixed;right:24px;bottom:24px;z-index:99999;font-family:inherit}
.gmtp .gmt-ai-btn{width:58px;height:58px;border-radius:50%;border:none;background:var(--amber);color:#111;font-size:26px;cursor:pointer;box-shadow:0 12px 30px -8px rgba(15,23,42,.5);transition:.2s}
.gmtp .gmt-ai-btn:hover{transform:translateY(-3px)}
.gmtp .gmt-ai-panel{width:360px;max-width:calc(100vw - 32px);height:480px;max-height:calc(100vh - 120px);background:#fff;border-radius:10px;box-shadow:0 30px 70px -20px rgba(15,23,42,.55);display:flex;flex-direction:column;overflow:hidden}
.gmtp .gmt-ai-panel[hidden]{display:none}
.gmtp .gmt-ai-head{background:var(--ink);color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:15px}
.gmtp .gmt-ai-head button{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1}
.gmtp .gmt-ai-log{flex:1;overflow-y:auto;padding:16px;background:#F8FAFC;display:flex;flex-direction:column;gap:10px}
.gmtp .gmt-ai-msg{max-width:82%;padding:10px 13px;border-radius:10px;font-size:14.5px;line-height:1.55;white-space:pre-wrap}
.gmtp .gmt-ai-msg.ai{background:#fff;border:1px solid var(--line);color:var(--txt);align-self:flex-start}
.gmtp .gmt-ai-msg.me{background:var(--ink);color:#fff;align-self:flex-end}
.gmtp .gmt-ai-msg.thinking{color:var(--muted);font-style:italic}
.gmtp .gmt-ai-form{display:flex;border-top:1px solid var(--line)}
.gmtp .gmt-ai-form input{flex:1;border:none;padding:14px;font-size:14.5px;outline:none}
.gmtp .gmt-ai-form button{background:var(--amber);border:none;padding:0 18px;font-weight:700;cursor:pointer;color:#111}
.gmtp .gmt-ai-note{font-size:11px;color:var(--muted);text-align:center;padding:6px;background:#fff}

/* responsive */
@media(max-width:980px){
  .gmtp .stats .grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .gmtp .grid3{grid-template-columns:1fr}
  .gmtp .split,.gmtp .split.rev{grid-template-columns:1fr;gap:34px}
  .gmtp .site-foot .cols{grid-template-columns:1fr 1fr;gap:30px}
  .gmtp .nav{display:none}
  .gmtp .burger{display:block;color:#fff;font-size:26px}
  .gmtp section{padding:76px 0}
}