/* ==========================================================================
   SCUM 玩家工具站 - 全站共享样式（site.css）
   变量化主题、统一导航/卡片/表单/按钮/滚动条，支持响应式与深色底。
   ========================================================================== */
:root{
  --bg-0:#070b12;
  --bg-1:#0f172a;
  --bg-2:#111827;
  --panel:#0f172a;
  --panel-2:#111827;
  --line:#1e293b;
  --line-2:#334155;
  --text:#e5e7eb;
  --text-dim:#cbd5e1;
  --muted:#94a3b8;
  --primary:#60a5fa;
  --primary-2:#93c5fd;
  --accent:#c4b5fd;
  --gold:#fbbf24;
  --danger:#ef4444;
  --nav-h:64px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-md:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 18px 45px rgba(0,0,0,.35);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC",Segoe UI,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 20% 0%,rgba(37,99,235,.24),transparent 34%),
    radial-gradient(circle at 80% 10%,rgba(124,58,237,.18),transparent 32%),
    var(--bg-0);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

/* ------- 滚动条 ------- */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#334155;border-radius:6px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#475569;background-clip:content-box}

/* ------- 顶部导航 ------- */
.site-nav{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;
  border-bottom:1px solid rgba(148,163,184,.16);
  background:rgba(15,23,42,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  position:sticky;top:0;z-index:60;
}
.site-nav .brand{
  display:flex;align-items:center;gap:8px;
  font-size:20px;font-weight:900;
  background:linear-gradient(90deg,#93c5fd,#c4b5fd,#fbbf24);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-decoration:none;letter-spacing:.5px;
}
.site-nav .brand::before{
  content:"S";display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,#2563eb,#7c3aed);
  color:#fff;font-size:15px;font-weight:900;-webkit-text-fill-color:#fff;
  box-shadow:0 4px 12px rgba(37,99,235,.4);
}
.site-nav .links{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.site-nav .links a{
  color:var(--text-dim);text-decoration:none;
  border:1px solid var(--line-2);
  background:rgba(15,23,42,.8);
  border-radius:10px;padding:9px 13px;
  font-weight:700;font-size:13px;
  transition:border-color .15s,color .15s,transform .05s,background .15s;
}
.site-nav .links a:hover{border-color:var(--primary);color:var(--primary-2);background:rgba(30,41,59,.9)}
.site-nav .links a.active{
  border-color:var(--primary);
  color:var(--primary-2);
  background:linear-gradient(180deg,rgba(37,99,235,.14),rgba(30,41,59,.85));
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.15);
}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line-2);
  color:var(--text);border-radius:10px;padding:8px 12px;cursor:pointer;
  font-size:18px;line-height:1;
}
@media(max-width:820px){
  .site-nav{padding:0 14px;height:auto;min-height:58px;flex-wrap:wrap;gap:10px;align-items:center}
  .nav-toggle{display:inline-flex}
  .site-nav .links{flex-basis:100%;overflow:hidden;max-height:0;transition:max-height .28s ease}
  .site-nav.open .links{max-height:400px;padding:6px 0 12px}
  .site-nav .links a{padding:10px 12px;font-size:13px}
}

/* ------- Hero ------- */
.hero{max-width:1180px;margin:0 auto;padding:64px 20px 40px}
.hero .badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line-2);background:rgba(15,23,42,.75);
  border-radius:999px;padding:7px 14px;color:#bfdbfe;font-size:13px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(34px,5.5vw,64px);
  line-height:1.05;letter-spacing:-1.5px;margin-bottom:18px;
}
.hero h1 .grad{
  background:linear-gradient(90deg,var(--primary-2),var(--accent),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{max-width:760px;color:var(--muted);font-size:16px;line-height:1.8}
.hero .actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;border-radius:12px;
  border:1px solid var(--line-2);background:var(--panel-2);color:var(--text);
  text-decoration:none;padding:0 18px;font-weight:800;font-size:14px;cursor:pointer;
  transition:transform .08s,border-color .15s,background .15s,box-shadow .15s;
}
.btn:hover{transform:translateY(-1px);border-color:var(--primary-2);box-shadow:0 6px 18px rgba(0,0,0,.25)}
.btn:active{transform:translateY(0)}
.btn.primary{
  background:linear-gradient(180deg,#3b82f6,#2563eb);
  border-color:#60a5fa;color:#fff;
  box-shadow:0 6px 18px rgba(37,99,235,.35);
}
.btn.primary:hover{background:linear-gradient(180deg,#4b8ffb,#1e56d0)}
.btn.sm{height:34px;padding:0 12px;font-size:12.5px;border-radius:10px}
.btn.ghost{background:transparent}

/* ------- 卡片 ------- */
.card{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,24,39,.92),rgba(15,23,42,.92));
  border-radius:var(--radius);
  padding:20px;
  transition:transform .12s,border-color .15s,box-shadow .15s;
}
.card:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:var(--shadow-md)}
.card h2{font-size:18px;color:#f8fafc;margin-bottom:8px}
.card p{color:var(--muted);line-height:1.75;font-size:14px}
.card .icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;font-weight:900;
  background:linear-gradient(135deg,#2563eb33,#7c3aed33);
  color:var(--primary-2);border:1px solid var(--line-2);
  margin-bottom:12px;font-size:13px;letter-spacing:.5px;
}
.card .meta{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.card .tag{
  background:rgba(30,41,59,.75);border:1px solid var(--line);
  color:var(--text-dim);border-radius:999px;padding:3px 10px;font-size:12px;
}
.card a.enter{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-2);text-decoration:none;font-weight:800;margin-top:8px;
  transition:gap .15s;
}
.card a.enter:hover{gap:10px}

/* ------- 网格 / 面板 ------- */
.wrap{max-width:1280px;margin:0 auto;padding:26px 18px 60px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.panel{
  border:1px solid var(--line);background:var(--panel);
  border-radius:var(--radius-lg);padding:22px;
  margin-bottom:16px;
}

/* ------- 表单 ------- */
input,select,textarea{
  border:1px solid var(--line-2);
  background:#020617;color:var(--text);
  border-radius:11px;padding:0 12px;outline:0;
  font-family:inherit;font-size:14px;
}
input,select{height:42px}
textarea{padding:10px;min-height:80px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(96,165,250,.15)}

/* ------- Footer ------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(15,23,42,.6);
  padding:26px 20px;text-align:center;
  color:var(--muted);font-size:13px;line-height:1.8;
  margin-top:40px;
}
.site-footer a{color:var(--primary-2);text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer .row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:6px}

/* ------- 工具类 ------- */
.text-muted{color:var(--muted)}
.text-primary{color:var(--primary-2)}
.text-gold{color:var(--gold)}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
hr.sep{border:none;border-top:1px dashed var(--line);margin:20px 0}

/* ------- 首页专用徽标 ------- */
.chip-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.chip{font-size:12px;background:rgba(30,41,59,.6);border:1px solid var(--line);
  color:var(--text-dim);border-radius:999px;padding:3px 10px}