.payment-page { padding: 42px 15px 60px; }
.payment-content { max-width: 1050px; margin: 0 auto; }
.payment-page h1 { text-align: center; font-size: clamp(30px, 4vw, 48px); margin-bottom: 12px; }
.payment-intro { text-align: center; margin-bottom: 28px; }
.payment-card { background: #fff; border: 1px solid #dbe5f3; border-radius: 6px; padding: 28px; margin-bottom: 26px; box-shadow: 0 8px 24px rgba(21,31,59,.06); }
.payment-card h2 { font-size: 25px; margin: 0 0 20px; color: #151f3b; }
.payment-qr { text-align: center; }
.payment-qr img { display: block; width: 320px; max-width: 100%; height: auto; margin: 0 auto 18px; }
.payment-bank { width: 100%; border-collapse: collapse; margin: 0; font-size: 16px; }
.payment-bank th, .payment-bank td { padding: 13px 16px; text-align: left; border: 1px solid #dbe5f3; overflow-wrap: anywhere; }
.payment-bank th { width: 32%; background: #f2f5fa; color: #151f3b; font-weight: 600; }
.payment-address { margin: 20px 0 0; line-height: 1.7; }
.payment-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.payment-field { min-width: 0; }
.payment-field label { display: block; margin-bottom: 7px; color: #151f3b; font-weight: 600; font-size: 15px; }
.payment-field input { box-sizing: border-box; width: 100%; padding: 12px; border: 1px solid #bac6d8; border-radius: 4px; color: #151f3b; background: #fff; font: inherit; font-size: 16px; }
.payment-field input:focus { border-color: #3b60c9; outline: 2px solid #dbe5f3; }
.payment-field-full { grid-column: 1 / -1; }
.payment-help { display: block; font-size: 14px; margin-top: 7px; }
.payment-file-preview { display: block; max-height: 230px; max-width: 100%; margin: 15px 0 0; border: 1px solid #dbe5f3; border-radius: 4px; }
.payment-page [hidden] { display: none !important; }
.payment-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.payment-notice { margin: 22px 0 16px; padding: 14px 16px; background: #f2f5fa; border-left: 3px solid #3b60c9; font-size: 14px; }
.payment-send { min-width: 140px; padding: 13px 28px; border: 0; border-radius: 4px; background: #3b60c9; color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.payment-send:disabled { opacity: .6; cursor: wait; }
.payment-error { color: #a32121; background: #fff1f1; border: 1px solid #eccaca; padding: 12px 15px; margin: 15px 0; }
.payment-status { font-size: 14px; margin: 12px 0 0; }
.payment-success { box-sizing: border-box; width: min(480px, calc(100% - 32px)); padding: 32px; border: 1px solid #dbe5f3; border-radius: 8px; text-align: center; color: #151f3b; background: #fff; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.payment-success::backdrop { background: rgba(21,31,59,.6); }
.payment-success h2 { margin: 0 0 16px; font-size: 26px; }
.payment-success p { font-size: 16px; line-height: 1.6; }
@media (max-width: 575px) {
    .payment-page { padding: 30px 10px; }
    .payment-card { padding: 20px 14px; }
    .payment-form-grid { grid-template-columns: 1fr; gap: 16px; }
    .payment-bank th, .payment-bank td { padding: 10px 8px; font-size: 14px; }
    .payment-bank th { width: 35%; }
    .payment-card h2 { font-size: 22px; }
}