.fba-page{padding:88px 0 56px;background:var(--color-bg-alt);min-height:calc(100vh - 64px)}
@media(max-width:768px){.fba-page{padding:72px 0 40px;min-height:calc(100vh - 56px)}}
.fba-page .container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.fba-page .container{padding:0 16px}}
.fba-header{text-align:center;margin-bottom:28px}
.fba-header h1{font-size:30px;font-weight:700;color:var(--color-primary);margin:0 0 10px}
.fba-header p{font-size:15px;color:var(--color-text-secondary);margin:0;max-width:760px;margin-inline:auto;line-height:1.6}
.fba-wrap{display:flex;flex-direction:column;gap:24px}
.fba-panel{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.fba-panel h2{font-size:17px;font-weight:700;color:var(--color-primary);margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:8px}
.fba-panel h2 .tag{font-size:12px;font-weight:400;color:var(--color-text-secondary);background:var(--color-bg-alt);padding:3px 10px;border-radius:999px;border:none}
.fba-grid{display:grid;gap:12px}
.fba-inputs{grid-template-columns:repeat(4,1fr)}
.fba-field label{display:block;font-size:13px;font-weight:600;color:var(--color-text);margin-bottom:7px}
.fba-field input{width:100%;padding:11px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;background:var(--color-bg);color:var(--color-text);transition:var(--transition)}
.fba-field input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(30,58,95,.18)}
.fba-unit-toggle{display:inline-flex;border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:16px}
.fba-unit-toggle button{border:none;background:var(--color-bg);padding:10px 18px;cursor:pointer;font-size:14px;color:var(--color-text-secondary);font-weight:600;transition:var(--transition);font-family:inherit}
.fba-unit-toggle button.on{background:var(--color-primary);color:#fff}
.fba-switches{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.fba-switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text);cursor:pointer}
.fba-switch input[type="checkbox"]{width:38px;height:21px;appearance:none;background:#cbd5e1;border-radius:999px;position:relative;cursor:pointer;transition:var(--transition)}
.fba-switch input[type="checkbox"]:checked{background:var(--color-primary)}
.fba-switch input[type="checkbox"]::after{content:"";position:absolute;width:17px;height:17px;background:#fff;border-radius:50%;top:2px;left:2px;transition:var(--transition)}
.fba-switch input[type="checkbox"]:checked::after{left:19px}
.fba-rates{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.fba-rate-field{display:flex;flex-direction:column;gap:5px}
.fba-rate-field span{font-size:12px;font-weight:600;color:var(--color-text)}
.fba-rate-field input{width:100%;padding:9px 10px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;background:var(--color-bg);color:var(--color-text);transition:var(--transition)}
.fba-rate-field input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(30,58,95,.18)}
.fba-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fba-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;border-top:4px solid var(--color-border)}
.fba-card.us{border-top-color:#2563eb} .fba-card.eu{border-top-color:#16a34a}
.fba-card.uk{border-top-color:#7c3aed} .fba-card.jp{border-top-color:#dc2626}
.fba-card .site{font-size:15px;font-weight:700;color:var(--color-primary);display:flex;justify-content:space-between;align-items:baseline}
.fba-card .cur{font-size:12px;color:var(--color-text-secondary);font-weight:400}
.fba-row{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;border-bottom:1px dashed var(--color-border)}
.fba-row:last-child{border-bottom:none}
.fba-row .k{color:var(--color-text-secondary)} .fba-row .v{font-weight:600;color:var(--color-text)}
.fba-fee-final{margin-top:10px;background:var(--color-bg-alt);border-radius:var(--radius-sm);padding:14px;text-align:center}
.fba-fee-final .flabel{font-size:12px;color:var(--color-text-secondary);margin-bottom:4px}
.fba-fee-final .big{font-size:26px;font-weight:700;color:var(--color-primary)}
.fba-fee-final .actual{font-size:13px;color:var(--color-accent);margin-top:5px;font-weight:600}
.fba-fee-final .rmb{font-size:13px;color:var(--color-text-secondary);margin-top:5px}
.fba-tip{font-size:13px;color:var(--color-text-secondary);margin-top:14px;line-height:1.6;padding:12px 14px;background:var(--color-primary-light);border-radius:var(--radius-sm)}
.fba-tip b{color:var(--color-primary-dark)}
.fba-eu-mode{font-size:13px;color:var(--color-text-secondary);margin-top:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fba-eu-mode select{padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;background:var(--color-bg);color:var(--color-text);cursor:pointer;font-family:inherit}
.fba-tier{font-size:12px;background:var(--color-primary-light);color:var(--color-primary);display:inline-block;padding:3px 10px;border-radius:999px;margin:8px 0;font-weight:600}
.fba-note{font-size:12px;color:var(--color-accent);margin-top:8px}
.fba-details{margin-top:8px;font-size:13px;color:var(--color-text-secondary);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px 20px}
.fba-details summary{cursor:pointer;color:var(--color-primary);font-weight:600;font-size:14px}
.fba-details p{margin:8px 0;line-height:1.7}
.fba-details table{width:100%;border-collapse:collapse;margin-top:8px;font-size:12px}
.fba-details th,.fba-details td{border:1px solid var(--color-border);padding:5px 8px;text-align:left}
.fba-details th{background:var(--color-bg-alt)}
.fba-calc{font-size:12px;color:var(--color-text-secondary);margin-top:5px;white-space:pre-line}
@media(max-width:900px){
  .fba-inputs,.fba-cards{grid-template-columns:repeat(2,1fr)}
  .fba-rates{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .fba-inputs,.fba-cards,.fba-rates{grid-template-columns:1fr}
  .fba-header h1{font-size:24px}
  .fba-panel{padding:20px 16px}
}