/* 太乙 API · 全站样式（原生 CSS，不引框架，方便自己改） */
:root{
  /* 金 + 银：金做点缀色，银做描边和骨架 */
  --bg:#0a0b12; --bg2:#101119; --card:#191a23; --card2:#23242f;
  --line:#3a3c48; --text:#f4f1e8; --dim:#b6ae9c; --dim2:#8b8574;
  --brand:#ffc861; --brand2:#e6ebf6; --gold:#ffc861; --silver:#cfd6e4;
  --ok:#3ddc97; --bad:#ff6b81; --warn:#ffb454;
  --radius:14px; --shadow:0 18px 44px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 600px at 15% -10%,#3a2c0d 0%,transparent 60%),
             radial-gradient(900px 500px at 95% 0%,#2b2f3d 0%,transparent 55%), var(--bg);
  color:var(--text); font:15px/1.65 "Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  min-height:100vh; display:flex; flex-direction:column;
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .5em; line-height:1.25}
h1{font-size:30px} h2{font-size:22px} h3{font-size:17px}
.wrap{width:100%; max-width:1120px; margin:0 auto; padding:0 20px}
.muted{color:var(--dim)} .tiny{font-size:12.5px} .dim2{color:var(--dim2)}
.mono{font-family:"JetBrains Mono",Consolas,"Courier New",monospace}
.right{text-align:right} .center{text-align:center}
.nowrap{white-space:nowrap}

/* 顶栏 */
.nav{position:sticky; top:0; z-index:40; backdrop-filter:blur(10px);
  background:rgba(10,11,18,.80); border-bottom:1px solid rgba(255,200,97,.20)}
.nav-inner{display:flex; align-items:center; gap:22px; height:62px}
.brand{display:flex; align-items:center; gap:10px; color:var(--text); font-weight:700}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px;
  border-radius:10px; background:linear-gradient(135deg,#ffe6b8,var(--gold) 46%,#e6ebf6);
  color:#2a1f00;
  font-size:14px; font-weight:800; letter-spacing:.5px}
.brand-sub{font-size:15px; letter-spacing:.5px}
.nav-links{display:flex; gap:18px; margin-left:auto}
.nav-links a{color:var(--dim); font-size:14.5px}
.nav-links a:hover{color:var(--text); text-decoration:none}
.nav-actions{display:flex; align-items:center; gap:10px; margin-left:18px}

/* 通用块 */
main{flex:1; padding:34px 0 60px}
.card{background:linear-gradient(180deg,var(--card),var(--card2)); border:1px solid var(--line);
  border-radius:var(--radius); padding:20px; box-shadow:var(--shadow)}
.card + .card{margin-top:18px}
.grid{display:grid; gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:860px){.g2,.g3,.g4{grid-template-columns:1fr}.nav-links{display:none}}
.row{display:flex; gap:12px; align-items:center; flex-wrap:wrap}
.between{display:flex; gap:12px; align-items:center; justify-content:space-between; flex-wrap:wrap}
.spacer{flex:1}
hr{border:0; border-top:1px solid var(--line); margin:18px 0}

/* 按钮 */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; cursor:pointer;
  padding:10px 18px; border-radius:10px; border:1px solid transparent; font-size:14.5px; font-weight:600;
  background:linear-gradient(135deg,#ffe6b8,var(--gold) 42%,#cf9b3d); color:#2a1a00;
  transition:.15s; white-space:nowrap}
.btn:hover{filter:brightness(1.08); text-decoration:none}
.btn:disabled{opacity:.5; cursor:not-allowed}
.btn.ghost{background:transparent; border-color:var(--line); color:var(--text)}
.btn.ghost:hover{background:rgba(255,255,255,.06)}
.btn.gold{background:linear-gradient(135deg,var(--gold),#ff9d3d); color:#2a1a00}
.btn.danger{background:transparent; border-color:#5b2434; color:var(--bad)}
.btn.danger:hover{background:rgba(255,107,129,.12)}
.btn.sm{padding:6px 12px; font-size:13px; border-radius:8px}

/* 表单 */
label{display:block; font-size:13.5px; color:var(--dim); margin:14px 0 6px}
input,select,textarea{width:100%; padding:11px 13px; background:#15161f; color:var(--text);
  border:1px solid var(--line); border-radius:10px; font:inherit; outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand)}
textarea{min-height:84px; resize:vertical}
.hint{font-size:12.5px; color:var(--dim2); margin-top:6px}

/* 提示 */
.msg{margin-top:14px; padding:10px 13px; border-radius:10px; font-size:13.5px; display:none}
.msg.show{display:block}
.msg.err{background:rgba(255,107,129,.13); border:1px solid rgba(255,107,129,.4); color:#ffc3cd}
.msg.ok{background:rgba(61,220,151,.13); border:1px solid rgba(61,220,151,.4); color:#b6f5da}

/* 表格 */
table{width:100%; border-collapse:collapse; font-size:13.5px}
th,td{padding:10px 12px; border-bottom:1px solid var(--line); text-align:left; vertical-align:middle}
th{color:var(--dim); font-weight:600; font-size:12.5px; text-transform:uppercase; letter-spacing:.4px}
tbody tr:hover{background:rgba(255,255,255,.03)}
.table-wrap{overflow:auto; max-width:100%}
.tag{display:inline-block; padding:2px 9px; border-radius:999px; font-size:12px; border:1px solid var(--line); color:var(--dim)}
.tag.ok{color:var(--ok); border-color:rgba(61,220,151,.45); background:rgba(61,220,151,.10)}
.tag.bad{color:var(--bad); border-color:rgba(255,107,129,.45); background:rgba(255,107,129,.10)}
.tag.warn{color:var(--warn); border-color:rgba(255,180,84,.45); background:rgba(255,180,84,.10)}
.tag.gold{color:var(--gold); border-color:rgba(255,200,97,.45); background:rgba(255,200,97,.10)}
.pill{display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:999px;
  background:rgba(255,200,97,.14); border:1px solid rgba(255,200,97,.38); font-size:13px}

/* 首页 */
.hero{padding:34px 0 12px}
.hero h1{font-size:40px; margin-bottom:14px}
.hero .lead{font-size:17px; color:var(--dim); max-width:760px}
.hero-actions{margin-top:24px; display:flex; gap:12px; flex-wrap:wrap}
.feature{background:linear-gradient(180deg,var(--card),var(--card2)); border:1px solid var(--line);
  border-radius:var(--radius); padding:18px}
.feature b{display:block; font-size:15.5px; margin-bottom:6px}
.steps{counter-reset:s; list-style:none; padding:0; margin:0}
.steps li{counter-increment:s; position:relative; padding:0 0 16px 44px; color:var(--dim)}
.steps li::before{content:counter(s); position:absolute; left:0; top:0; width:28px; height:28px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; background:rgba(255,200,97,.16);
  border:1px solid rgba(255,200,97,.48); color:var(--gold); font-size:13px; font-weight:700}
.steps b{color:var(--text)}

/* 登录 / 注册 */
.auth{max-width:430px; margin:26px auto}
.auth .card{padding:26px}
.auth h1{font-size:24px; margin-bottom:6px}

/* 滑块验证码 */
.captcha{margin-top:14px; user-select:none}
.captcha-stage{position:relative; border-radius:10px; overflow:hidden; border:1px solid var(--line); line-height:0}
.captcha-stage img{display:block; width:100%; height:auto}
.captcha-piece{position:absolute; left:0; top:0; pointer-events:none; filter:drop-shadow(0 3px 8px rgba(0,0,0,.55))}
.captcha-piece img{display:block; width:100%; height:auto}
.captcha-bar{position:relative; margin-top:12px; height:44px; border-radius:10px; border:1px solid var(--line);
  background:#15161f; overflow:hidden}
.captcha-fill{position:absolute; inset:0 auto 0 0; width:0; background:rgba(255,200,97,.22)}
.captcha-text{position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-size:13.5px; color:var(--dim2); pointer-events:none}
.captcha-knob{position:absolute; left:0; top:0; width:44px; height:42px; border-radius:10px; cursor:grab;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,#ffe6b8,var(--gold) 45%,#cf9b3d); color:#2a1a00; font-size:17px}
.captcha-knob:active{cursor:grabbing}
.captcha.done .captcha-knob{background:linear-gradient(135deg,var(--ok),#28c98a); cursor:default}
.captcha.done .captcha-text{color:var(--ok)}

/* 控制台 */
.balance{font-size:32px; font-weight:800; letter-spacing:.5px}
.balance small{font-size:14px; font-weight:500; color:var(--dim); margin-left:6px}
.keybox{display:flex; gap:10px; align-items:center; background:#15161f; border:1px dashed var(--gold);
  border-radius:10px; padding:12px; margin-top:12px; flex-wrap:wrap}
.keybox code{flex:1; min-width:220px; word-break:break-all; color:var(--gold)}

/* 后台 tabs */
.tabs{display:flex; gap:6px; flex-wrap:wrap; border-bottom:1px solid var(--line); margin-bottom:18px}
.tabs button{background:transparent; border:0; border-bottom:2px solid transparent; color:var(--dim);
  padding:10px 14px; font:inherit; cursor:pointer; font-size:14.5px}
.tabs button.active{color:var(--text); border-bottom-color:var(--brand)}
.panel{display:none} .panel.active{display:block}
.stat{background:linear-gradient(180deg,var(--card),var(--card2)); border:1px solid var(--line);
  border-radius:var(--radius); padding:16px}
.stat .k{font-size:12.5px; color:var(--dim); text-transform:uppercase; letter-spacing:.4px}
.stat .v{font-size:24px; font-weight:700; margin-top:6px}

/* 文档 */
pre{background:#0e0f16; border:1px solid var(--line); border-radius:12px; padding:14px 16px; overflow:auto;
  font-size:13px; line-height:1.6}
code{font-family:"JetBrains Mono",Consolas,"Courier New",monospace}
p code,li code,td code{background:rgba(255,200,97,.14); padding:1px 6px; border-radius:6px; font-size:13px}
.doc h2{margin-top:30px} .doc h3{margin-top:22px}

/* 页脚 + toast */
.foot{border-top:1px solid var(--line); margin-top:auto; padding:20px; display:flex; justify-content:space-between;
  gap:14px; flex-wrap:wrap; color:var(--dim2); font-size:13px}
.foot-links{display:flex; gap:14px}
.toast{position:fixed; left:50%; bottom:34px; transform:translate(-50%,20px); opacity:0; pointer-events:none;
  background:#15161f; border:1px solid var(--line); color:var(--text); padding:11px 18px; border-radius:12px;
  box-shadow:var(--shadow); transition:.22s; z-index:90; max-width:88vw}
.toast.show{opacity:1; transform:translate(-50%,0)}
.toast.err{border-color:rgba(255,107,129,.5)} .toast.ok{border-color:rgba(61,220,151,.5)}
/* 页面内弹窗（替代 window.prompt：连弹 prompt 会被 Chrome 拦掉） */
.modal-back{position:fixed; inset:0; z-index:80; padding:20px; display:flex; align-items:center;
  justify-content:center; background:rgba(6,6,10,.72)}
.modal{width:100%; max-width:460px; max-height:86vh; overflow:auto}
.modal h3{margin-bottom:6px}
.modal textarea{font-family:"JetBrains Mono",Consolas,monospace; font-size:13px}

/* ---------------- 画布 ---------------- */
.wrap-wide{width:100%; max-width:none; padding:0 18px}