/* ErgouTech — International SaaS Modern (Style C) — shared stylesheet */
:root{
  --purple:#635BFF; --purple-d:#4a43e0; --purple-light:#EEEDFF;
  --ink:#1A1F36; --ink-soft:#3a4155;
  --bg:#F6F8FA; --card:#ffffff; --line:#E3E8EE;
  --muted:#5b6472; --success:#00A86B; --success-bg:#E9F9EF;
  --hero1:#0A2540; --hero2:#3830c4;
  --radius:8px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;background:#fff;color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ============ NAV ============ */
header{position:sticky;top:0;z-index:50;background:rgba(10,37,64,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-weight:800;font-size:20px;letter-spacing:.5px;color:#fff;text-decoration:none;white-space:nowrap}
.logo span{color:#a9a5ff}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{color:#b6c2d4;text-decoration:none;padding:8px 14px;font-size:14px;border-radius:6px;transition:color .2s,background .2s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.1)}
.lang{display:flex;align-items:center;gap:4px;border:1px solid rgba(255,255,255,.25);border-radius:6px;padding:4px 8px;margin-left:10px}
.lang a{color:#b6c2d4;text-decoration:none;font-size:13px;padding:2px 6px;border-radius:4px}
.lang a:hover{color:#fff}
.lang a.on{color:#fff;background:rgba(255,255,255,.18);font-weight:600}
.btn{display:inline-block;background:var(--purple);color:#fff!important;text-decoration:none;padding:10px 22px;border-radius:6px;font-weight:600;font-size:14px;box-shadow:0 4px 12px rgba(99,91,255,.35);transition:transform .15s,box-shadow .15s,background .15s;border:none;cursor:pointer}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(99,91,255,.45);background:var(--purple-d)}
.btn-lg{font-size:16px;padding:14px 34px}
.btn-light{background:#fff;color:var(--purple)!important;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.btn-light:hover{background:#f3f2ff;color:var(--purple-d)!important}
.btn-ghost{background:transparent;color:#fff!important;border:1px solid rgba(255,255,255,.35);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff!important;box-shadow:none}
.btn-inline{background:var(--purple);color:#fff!important;text-decoration:none;padding:8px 18px;border-radius:6px;font-weight:600;font-size:14px;display:inline-block}
.btn-inline:hover{background:var(--purple-d)}

/* ============ HERO ============ */
.hero{position:relative;padding:120px 0 100px;text-align:center;color:#fff;background:linear-gradient(135deg,var(--hero1) 0%,var(--hero2) 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.hero::after{content:"";position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(closest-side,rgba(99,91,255,.45),transparent);top:-220px;left:50%;transform:translateX(-50%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero .tag{display:inline-block;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#d6d3ff;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:26px}
.hero h1{font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-1px;max-width:820px;margin:0 auto 20px}
.hero h1 em{font-style:normal;color:#b9b4ff}
.hero p{color:#c3cde0;font-size:18px;max-width:640px;margin:0 auto 12px}
.hero .official{font-size:13px;color:#8d99b3}
.hero .btns{margin-top:36px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ SECTIONS ============ */
section{padding:80px 0}
.kicker{color:var(--purple);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
h2{font-size:34px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px;line-height:1.25}
h3{font-size:17px;line-height:1.4}
.sub{color:var(--muted);max-width:620px;margin-bottom:48px;font-size:16px}
.center{text-align:center}
.center .sub{margin-left:auto;margin-right:auto}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 4px 12px rgba(50,50,93,.06);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(50,50,93,.10)}
.icon{width:42px;height:42px;border-radius:8px;background:linear-gradient(135deg,var(--purple-light),#E3E8EE);color:var(--purple);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.icon svg,.ic{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hi{width:18px;height:18px;stroke:var(--purple);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-3px;margin-right:7px;flex-shrink:0}
.card h3{font-size:16px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.card ol{padding-left:20px;margin-top:10px}
.card ol li{color:var(--muted);font-size:14px;margin-bottom:8px}
.card ol li b{color:var(--ink);font-weight:600}
.feature{display:flex;gap:18px;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 4px 12px rgba(50,50,93,.06)}
.feature .icon{flex-shrink:0;margin-bottom:0}
.feature h3{font-size:16px;margin-bottom:6px}
.feature p{color:var(--muted);font-size:14px;margin:0}
.alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ METRICS ============ */
.metrics{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:56px;padding-bottom:56px;text-align:center}
.m b{display:block;font-size:34px;font-weight:800;letter-spacing:-1px}
.m span{color:var(--muted);font-size:13px}
.m .num{background:linear-gradient(135deg,var(--purple),#7a6bff);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ COMPLIANCE ============ */
.comp{display:flex;align-items:flex-start;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:left;box-shadow:0 4px 12px rgba(50,50,93,.06)}
.comp .ck{width:28px;height:28px;border-radius:50%;background:var(--success-bg);color:var(--success);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comp b{display:block;margin-bottom:6px;font-size:15px}
.comp p{color:var(--muted);font-size:14px;margin:0}

/* ============ ABOUT / TEXT ============ */
.about{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:15px}
.about-facts{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 4px 12px rgba(50,50,93,.06)}
.about-facts h3{margin-bottom:16px;font-size:16px}
.fact{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;gap:16px}
.fact:last-child{border-bottom:none}
.fact span{color:var(--muted);flex-shrink:0}
.fact b{text-align:right;font-weight:600;font-size:13px}

/* ============ CTA ============ */
.cta{padding:90px 0;text-align:center}
.cta h2{font-size:38px}
.cta p{color:var(--muted);margin:0 auto 30px;max-width:520px}

/* ============ SUBPAGE HEAD ============ */
.subhead{background:linear-gradient(135deg,var(--hero1) 0%,var(--hero2) 100%);color:#fff;padding:70px 0 60px;position:relative;overflow:hidden}
.subhead::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.subhead .wrap{position:relative;z-index:2}
.subhead .crumb{color:#8d99b3;font-size:13px;margin-bottom:12px}
.subhead .crumb a{color:#b6c2d4;text-decoration:none}
.subhead .crumb a:hover{color:#fff}
.subhead h1{font-size:36px;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.subhead p{color:#c3cde0;max-width:720px;font-size:16px}

/* ============ LEGAL DOC ============ */
.legal{max-width:860px;padding:60px 0 80px}
.legal .updated{color:var(--muted);font-size:13px;margin-bottom:36px;border-bottom:1px solid var(--line);padding-bottom:18px}
.legal h2{font-size:22px;margin:36px 0 12px;letter-spacing:0}
.legal h3{font-size:17px;margin:28px 0 10px}
.legal p,.legal li{color:#3a4155;font-size:15px;margin-bottom:12px}
.legal ul,.legal ol{padding-left:24px;margin-bottom:16px}
.legal li{margin-bottom:8px}
.legal table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.legal table th,.legal table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.legal table th{background:var(--bg);font-weight:600}
.legal .note{background:var(--bg);border-left:3px solid var(--purple);padding:14px 18px;border-radius:0 6px 6px 0;font-size:14px;color:var(--muted);margin:20px 0}

/* ============ FOOTER ============ */
footer{background:var(--ink);color:#8a93a6;padding:44px 0 52px;font-size:13px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px}
.foot b{color:#e8eaef;display:block;margin-bottom:6px;font-weight:600}
.foot .links{display:flex;flex-direction:column;gap:8px}
.foot a{color:#8a93a6;text-decoration:none}
.foot a:hover{color:#fff}
.foot .legal-links{display:flex;gap:20px;margin-top:8px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;font-size:12px;color:#6b7283;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .hero h1{font-size:36px}
  .grid,.grid-2{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr}
  .metrics .wrap{grid-template-columns:repeat(2,1fr)}
  .foot{flex-direction:column;gap:24px}
}
@media (max-width:720px){
  /* 导航紧凑化（三行布局：logo / 链接 / 语言+按钮） */
  .nav{flex-wrap:wrap;height:auto;padding:10px 16px;gap:6px}
  .nav-links{order:3;width:100%;justify-content:center;flex-wrap:wrap;gap:2px;padding-top:4px;border-top:1px solid rgba(255,255,255,.08)}
  .nav-links a{padding:5px 9px;font-size:13px}
  .lang{margin-left:0;padding:3px 6px}
  .lang a{padding:2px 5px;font-size:12px}
  .btn{margin-left:0;padding:8px 14px;font-size:13px}
  .hero{padding:72px 0 56px}
  .hero h1{font-size:30px}
  .hero p{font-size:16px}
  .hero .btns{flex-direction:column;align-items:center;width:100%}
  .hero .btn{width:100%;text-align:center;margin:0}
  .subhead{padding:56px 0 48px}
  .subhead h1{font-size:28px}
  section{padding:56px 0}
  h2{font-size:28px}
  .sub{margin-bottom:36px}
  /* 法律文档表格：横向滚动，禁止单元格硬挤 */
  .legal table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .legal{padding:40px 0 60px}
  .card{padding:20px}
  .comp{padding:18px}
  .feature{padding:18px;gap:14px}
  .metrics .wrap{padding-top:40px;padding-bottom:40px;gap:14px}
  .m b{font-size:26px}
  .cta{padding:64px 0}
  .cta h2{font-size:28px}
  .wrap{padding:0 20px}
}
@media (max-width:480px){
  .grid,.grid-2{grid-template-columns:1fr}
  .metrics .wrap{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .about-facts{padding:20px}
  .fact{flex-direction:column;gap:2px}
  .fact b{text-align:left}
  .legal h2{font-size:20px}
  .legal p,.legal li{font-size:14px}
  .subhead p{font-size:14px}
  .kicker{font-size:12px}
}