/* ===== 公共基础样式 - 一三游戏 ===== */
*{box-sizing:border-box}
:root{
  --bg:#F4F7FC;--surface:#FFFFFF;--surface-2:#F9FBFF;--ink:#0A0E1C;--text:#121A2B;
  --muted:#5A667B;--soft:#7D8799;--line:#E4EAF3;--line-2:#D7E0EE;
  --blue:#2E6BFF;--blue-2:#1F56DF;--blue-soft:#EAF1FF;
  --teal:#0E9E7C;--teal-soft:#E7F8F3;--dark:#090E1D;--dark-2:#11182A;
  --shadow:0 10px 28px rgba(13,28,62,.08),0 2px 6px rgba(13,28,62,.04);
  --shadow-lg:0 28px 64px rgba(13,28,62,.13),0 8px 20px rgba(13,28,62,.07);
  --maxw:1180px;
  --body:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:ui-monospace,'SF Mono','Cascadia Code',Menlo,Consolas,monospace;
}
html,body{margin:0;min-height:100%;scroll-behavior:smooth}
body{
  font-family:var(--body);color:var(--text);background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;
  background-image:linear-gradient(to right,rgba(46,107,255,.026) 1px,transparent 1px),linear-gradient(to bottom,rgba(46,107,255,.026) 1px,transparent 1px);
  background-size:48px 48px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.page-shell{min-height:100vh;overflow:hidden;background:radial-gradient(900px 420px at 70% 2%,rgba(46,107,255,.10),transparent 62%),radial-gradient(780px 360px at 18% 12%,rgba(14,158,124,.055),transparent 58%),linear-gradient(180deg,#F8FBFF 0%,#F3F7FC 45%,#F8FBFF 100%)}

/* ===== 导航 ===== */
.site-nav{height:72px;padding:0 max(28px,calc((100vw - var(--maxw))/2));display:flex;align-items:center;gap:34px;position:sticky;top:0;z-index:40;background:rgba(248,251,255,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(16px) saturate(1.35)}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:170px;font-size:20px;font-weight:850;color:var(--ink)}
.brand-icon{width:32px;height:32px;border-radius:8px;background:var(--blue);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:16px}
.nav-links{height:100%;display:flex;align-items:center;gap:30px;white-space:nowrap;font-size:14.5px;font-weight:700;color:#2E384A}
.nav-links a{height:100%;display:inline-flex;align-items:center;position:relative}
.nav-links a.active,.nav-links a:hover{color:var(--blue)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--blue)}
.nav-cta{margin-left:auto;height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:#fff;background:var(--blue);box-shadow:0 8px 20px rgba(46,107,255,.26);font-size:14px;font-weight:800}

/* ===== 标题 & 段落 ===== */
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.2}
h1{font-size:clamp(40px,4.2vw,58px);font-weight:860}
h2{font-size:clamp(27px,3vw,38px)}
h3{font-size:20px}
p{margin:0;color:var(--muted)}

/* ===== 按钮 ===== */
.btn{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-size:15px;font-weight:800;border:1px solid transparent;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{color:#fff;background:var(--blue);box-shadow:0 10px 28px rgba(46,107,255,.32)}
.btn.secondary{color:var(--blue);background:var(--surface);border:1.5px solid var(--blue);box-shadow:var(--shadow)}

/* ===== CTA 横条 ===== */
.cta-band{max-width:var(--maxw);margin:0 auto 64px;padding:48px 28px;text-align:center;border-radius:24px;background:var(--blue);color:#fff;box-shadow:0 28px 64px rgba(46,107,255,.25)}
.cta-band h2,.cta-band p{color:#fff}.cta-band p{margin-top:8px}
.cta-band .btn.primary{color:var(--blue);background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.18);margin-top:20px}

/* ===== 底部 ===== */
.site-footer{border-top:1px solid var(--line-2);background:var(--surface);padding:56px max(28px,calc((100vw - var(--maxw))/2)) 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-row .brand-icon{width:28px;height:28px;font-size:13px}
.footer-brand-row span{font-size:18px;font-weight:850;color:var(--ink)}
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:16px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{display:inline-flex;align-items:center;min-height:30px;padding:6px 12px;border:1px solid #C8D8FF;border-radius:999px;background:var(--blue-soft);color:var(--blue-2);font-family:var(--mono);font-size:12px;font-weight:750}
.footer-col h3{font-size:14px;margin-bottom:16px;color:var(--ink);text-transform:uppercase;letter-spacing:.05em}
.footer-col a{display:block;font-size:13.5px;color:var(--muted);line-height:2.35}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:13px;color:var(--soft)}
.footer-records{border-top:1px solid var(--line);padding:18px 0;font-size:12px;color:var(--soft);line-height:2}
.footer-records a{color:var(--soft);text-decoration:underline;text-underline-offset:3px}
.footer-records-row{display:flex;flex-wrap:wrap;gap:16px}

/* ===== 联系浮窗 ===== */
.contact-float{position:fixed;right:20px;bottom:80px;z-index:35;display:flex;flex-direction:column;gap:10px}
.contact-float-item{width:46px;height:46px;border-radius:12px;background:var(--surface);border:1px solid var(--line-2);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:var(--text);font-size:18px;cursor:pointer;transition:transform .15s,box-shadow .15s}
.contact-float-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.contact-float-item.wechat{color:#07C160}.contact-float-item.qq{color:#12B7F5}.contact-float-item.phone{color:var(--blue)}
.new-dot{position:absolute;top:-4px;right:-6px;width:20px;height:18px;border-radius:6px;background:#FF3B6E;color:#fff;font-size:9px;font-weight:800;display:flex;align-items:center;justify-content:center}

/* ===== 弹窗 ===== */
.contact-modal{display:none;position:fixed;inset:0;z-index:100;background:rgba(9,14,29,.55);backdrop-filter:blur(8px)}
.contact-modal.is-open{display:flex;align-items:center;justify-content:center}
body.modal-open{overflow:hidden}
.contact-modal__panel{position:relative;width:min(580px,94vw);background:var(--surface);border-radius:24px;box-shadow:var(--shadow-lg);padding:38px}
.contact-modal__close{position:absolute;right:18px;top:18px;width:36px;height:36px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface);cursor:pointer;font-size:16px;color:var(--muted);display:flex;align-items:center;justify-content:center}
.contact-modal__head{margin-bottom:28px}.contact-modal__head h2{font-size:26px;margin-bottom:10px}
.contact-modal__body{display:flex;gap:28px;align-items:flex-start;margin-bottom:24px}
.contact-modal__wechat{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px;border:1px solid var(--line-2);border-radius:18px;text-align:center;min-width:200px}
.contact-modal__methods{display:flex;flex-direction:column;gap:18px;flex:1}
.contact-modal__methods>div{display:flex;flex-direction:column;gap:4px}
.contact-modal__methods strong{font-size:14px;color:var(--ink)}.contact-modal__methods b{font-size:18px;color:var(--blue)}.contact-modal__methods span{font-size:13px;color:var(--soft)}
.contact-modal__icon{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:6px}
.contact-modal__icon.wechat{background:#E8F8EF;color:#07C160}.contact-modal__icon.phone{background:var(--blue-soft);color:var(--blue)}.contact-modal__icon.qq{background:#E8F4FE;color:#12B7F5}
.contact-modal__foot{text-align:center;font-size:13px;color:var(--soft);padding-top:16px;border-top:1px solid var(--line)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .footer-top{grid-template-columns:1fr}
  .site-nav{gap:16px;padding:0 16px}
  .nav-links{gap:16px;font-size:13px}
}