:root{
  --bg:#0b1120; --panel:#111a2e; --panel2:#0d1526; --line:#1e2b45;
  --txt:#e8eefc; --muted:#8fa0bd; --accent:#3b82f6;
  --ok:#4ade80; --warn:#f59e0b; --bad:#f87171;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:radial-gradient(1200px 600px at 20% -10%,#1a2b4d 0%,transparent 60%),
             radial-gradient(900px 500px at 100% 0%,#0f2a33 0%,transparent 55%),
             var(--bg);
  color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  min-height:100vh;display:flex;flex-direction:column;
}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px;width:100%}
.main{flex:1 0 auto;padding:22px 0 40px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- 顶栏 ---------- */
.topbar{background:#0a1220cc;border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.brand{display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:700;color:var(--txt);letter-spacing:.3px}
.brand:hover{text-decoration:none}
.brand span{color:var(--accent)}
.brand-logo{width:26px;height:26px;display:block;flex:0 0 auto;border-radius:7px}
.brand-txt{white-space:nowrap}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{font-size:13px;color:var(--muted);padding:6px 10px;border-radius:8px}
.nav a:hover{background:#152238;color:var(--txt);text-decoration:none}
.nav a.on{background:#12213d;color:#93c5fd;border:1px solid #1e3a6b}
.nav .who{font-size:12.5px;color:#5f7394;margin-left:6px}
.nav .out{color:#7f93b3}

/* ---------- 卡片 ---------- */
.card{background:linear-gradient(180deg,var(--panel) 0%,var(--panel2) 100%);
  border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h2{font-size:14.5px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card h2::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.card + .card{margin-top:18px}

/* ---------- 表单 ---------- */
.field{margin-bottom:14px}
.field:last-child{margin-bottom:0}
.field label{display:flex;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:7px}
.field label b{color:var(--txt);font-weight:500}
.input-wrap{position:relative}
input[type=text],input[type=number],input[type=password],input[type=email],select,textarea{
  width:100%;background:#0a1222;border:1px solid #233554;color:var(--txt);
  border-radius:9px;padding:11px 12px;font-size:15px;outline:none;font-family:inherit;
  transition:.15s;-webkit-appearance:none;appearance:none;
}
input[type=password]{padding-right:40px}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #3b82f622}
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
input[type=number]{-moz-appearance:textfield}
.unit{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:#5f7394;pointer-events:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.hint{font-size:11.5px;color:#5f7394;line-height:1.6;margin-top:6px}
.divider{height:1px;background:var(--line);margin:16px 0}
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{font-size:11px;padding:5px 10px;border-radius:6px;background:#0a1222;border:1px solid #233554;
  color:#8fa0bd;cursor:pointer;font-family:inherit;transition:.15s}
.chip:hover{border-color:var(--accent);color:var(--txt)}
.chip.accent{border-color:#1e3a6b;color:#93c5fd}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-family:inherit;font-size:13.5px;font-weight:600;padding:10px 18px;border-radius:9px;
  border:1px solid #233554;background:#152238;color:var(--txt);cursor:pointer;transition:.15s}
.btn:hover{background:#1c2c49;text-decoration:none}
.btn.primary{background:linear-gradient(180deg,#3b82f6,#2563eb);border-color:#2563eb;color:#fff}
.btn.primary:hover{background:linear-gradient(180deg,#4f8ff8,#2d6ce0)}
.btn.ok{background:#14532d;border-color:#1f7a45;color:#86efac}
.btn.danger{background:#4c1010;border-color:#7f1d1d;color:#fecaca}
.btn.sm{padding:6px 12px;font-size:12px;border-radius:7px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 提示条 ---------- */
.alert{padding:11px 14px;border-radius:10px;font-size:13px;line-height:1.65;margin-bottom:14px;border:1px solid}
.alert.ok{background:#0e2a1e;border-color:#1a4d33;color:#86efac}
.alert.bad{background:#2a0e0e;border-color:#5a2020;color:#fecaca}
.alert.warn{background:#2a1e0b;border-color:#5a3d12;color:#fbbf24}
.alert.info{background:#0c1f33;border-color:#1a3d5c;color:#93c5fd}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th,.tbl td{padding:10px 10px;border-bottom:1px solid #1b2940;text-align:left;vertical-align:middle}
.tbl th{color:var(--muted);font-weight:500;font-size:11.5px;letter-spacing:.3px;background:#0d1526}
.tbl tr:hover td{background:#0f1a2e}
.tbl td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.pill{display:inline-block;font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid;white-space:nowrap}
.pill.pending{background:#2a1e0b;border-color:#5a3d12;color:#fbbf24}
.pill.approved{background:#0e2a1e;border-color:#1a4d33;color:#4ade80}
.pill.rejected{background:#2a0e0e;border-color:#5a2020;color:#f87171}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- 登录/注册 ---------- */
.auth-wrap{max-width:430px;margin:6vh auto 0}
.auth-card{padding:26px}
.auth-logo{width:44px;height:44px;border-radius:11px;display:block;margin-bottom:16px}
.auth-card h1{font-size:19px;margin-bottom:6px}
.auth-card .lead{font-size:12.5px;color:var(--muted);margin-bottom:20px;line-height:1.7}
.auth-foot{text-align:center;font-size:12.5px;color:var(--muted);margin-top:16px}
.auth-foot a{color:#93c5fd}

/* ---------- 计算器 ---------- */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.result-card{position:sticky;top:76px}
.group-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:8px;
  font-size:12.5px;font-weight:600;background:#0e2a1e;color:#4ade80;border:1px solid #1a4d33;margin-bottom:6px}
.group-tag.info{background:#0c1f33;color:#7dd3fc;border-color:#1a3d5c}
.group-tag.warn{background:#2a1e0b;color:#fbbf24;border-color:#5a3d12}
.sec-title{font-size:11.5px;color:#5f7394;letter-spacing:.6px;margin:16px 0 4px;font-weight:600}
.calc-line{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;
  padding:9px 0;font-size:13.5px;border-bottom:1px dashed #1b2940}
.calc-line:last-child{border-bottom:none}
.calc-line .k{color:var(--muted);flex:1}
.calc-line .k small{display:block;color:#4c5d78;font-size:11px;margin-top:2px}
.calc-line .v{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap;text-align:right}
.calc-line .v small{display:block;font-weight:400;color:#5f7394;font-size:11px;margin-top:2px}
.calc-line .v.blue{color:#60a5fa}
.total-box{margin-top:16px;padding:16px;border-radius:11px;
  background:linear-gradient(135deg,#0f2540,#102a22);border:1px solid #1d3d5c}
.total-line{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px;gap:10px}
.total-line:last-child{margin-bottom:0}
.total-line .tk{font-size:13px;color:var(--muted);white-space:nowrap}
.total-line .tv{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
.total-line.big .tv{font-size:24px;color:#60a5fa}
.total-line.big .tv.profit{color:#4ade80}
.total-line.big .tv.loss{color:#f87171}
.total-line .tv small{font-size:11px;font-weight:400;color:#5f7394;margin-left:4px}
.vol-trigger{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--warn);
  background:#2a1e0b;border:1px solid #5a3d12;padding:6px 10px;border-radius:7px;margin-top:10px}
.vol-trigger.hidden{display:none}
.footer-note{margin-top:16px;font-size:11px;color:#4c5d78;line-height:1.7}
.footer-note b{color:#8fa0bd}
.err{color:var(--bad);font-size:12px;margin-top:4px;display:none}
.err.show{display:block}

/* ---------- 广告位 ---------- */
.ad-banner{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:16px;
  padding:20px;margin-bottom:18px;border:1px solid #2c5288;border-radius:16px;
  background:linear-gradient(120deg,#14264a 0%,#0f2f33 55%,#123a2b 100%)}
.ad-banner::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 200px at 4% 0%,#3b82f630,transparent 62%),
             radial-gradient(560px 220px at 100% 100%,#22c55e2e,transparent 62%)}
.ad-banner::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#3b82f6,#22c55e)}
.ad-content{display:flex;flex-direction:column;gap:14px;width:100%;position:relative;z-index:1}
.ad-header{display:flex;align-items:flex-start;gap:12px}
.ad-tag{flex:0 0 auto;font-size:10.5px;font-weight:700;letter-spacing:1px;color:#fecaca;
  background:#7f1d1d;border:1px solid #b91c1c;padding:3px 7px;border-radius:5px;margin-top:3px}
.ad-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:5px}
.ad-slogan{font-size:12.5px;color:#a9c4e8;line-height:1.6}
.ad-contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));
  gap:12px 16px;background:#00000022;padding:14px;border-radius:10px;border:1px solid #ffffff0d}
.ad-item{display:flex;align-items:center;gap:10px;font-size:13px}
.ad-item .ico{width:26px;height:26px;flex:0 0 auto;border-radius:6px;display:flex;
  align-items:center;justify-content:center;font-size:12px;font-weight:700}
.ico.wx{background:#14532d;color:#4ade80;border:1px solid #1f7a45}
.ico.tel{background:#1e3a6b;color:#93c5fd;border:1px solid #2c5288}
.ad-item .info{flex:1;min-width:0}
.ad-item .lab{color:#7f93b3;font-size:11px;margin-bottom:2px}
.ad-item .val{color:#4ade80;font-weight:700;font-size:14px;letter-spacing:.4px;display:block;word-break:break-all}
.ad-item .val.tel{color:#93c5fd}
.ad-copy{font-family:inherit;font-size:11px;cursor:pointer;color:#c7d7f0;background:#1b2c4a;
  border:1px solid #2c5288;border-radius:6px;padding:6px 12px;transition:.15s;flex:0 0 auto}
.ad-copy:hover{background:#25406b;color:#fff}
.ad-mini{margin-top:16px;padding:14px;border-radius:11px;background:linear-gradient(120deg,#122442,#0f2f28);
  border:1px dashed #2c5288;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 14px}
.ad-mini .m-left{display:flex;align-items:center;gap:8px;min-width:0}
.ad-mini .m-tag{font-size:9.5px;font-weight:700;color:#fecaca;background:#7f1d1d;
  border:1px solid #b91c1c;padding:2px 5px;border-radius:4px;flex:0 0 auto}
.ad-mini .m-txt{font-size:12px;color:#a9c4e8;line-height:1.5}
.ad-mini .m-txt b{color:#4ade80}
.ad-mini .m-tel{color:#93c5fd;font-weight:600;font-size:12.5px;white-space:nowrap}

/* ---------- 页脚 ---------- */
.foot{border-top:1px solid var(--line);padding:16px 0;font-size:11.5px;color:#4c5d78;line-height:1.7}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .calc-grid{grid-template-columns:1fr}
  .result-card{position:static}
}
@media(max-width:600px){
  .row3{grid-template-columns:1fr 1fr}
  .row3>div:last-child{grid-column:span 2}
  .bar{height:auto;padding:10px 0;flex-wrap:wrap}
  .total-line.big .tv{font-size:22px}
  .tbl{font-size:11.5px}
  .tbl th,.tbl td{padding:8px 6px}
}
@media(max-width:380px){
  .row2,.row3{grid-template-columns:1fr}
  .row3>div:last-child{grid-column:span 1}
}