.langyu-pay-method-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.58);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 10000;
}
.langyu-pay-method-overlay.is-open {
    display: flex;
}
.langyu-pay-method-overlay[hidden] {
    display: none !important;
}
.langyu-pay-method-card {
    width: min(440px, 100%);
    background: var(--langyu-surface, #fff);
    border: 1px solid var(--langyu-border, #e0e0e0);
    border-radius: 12px;
    box-shadow: 0 18px 60px rgba(18, 18, 18, 0.18);
    overflow: hidden;
    position: relative;
}
.langyu-pay-method-close {
    position: absolute;
    top: 12px;
    right: 14px;
    border: 0;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: var(--langyu-secondary, #999);
    padding: 4px;
    transition: color 0.15s;
}
.langyu-pay-method-close:hover {
    color: var(--langyu-text, #222);
}
.langyu-pay-method-title {
    margin: 0;
    padding: 22px 24px 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--langyu-text, #222);
}
.langyu-pay-method-sub {
    margin: 6px 24px 0;
    font-size: 13px;
    color: var(--langyu-secondary, #999);
}
.langyu-pay-method-options {
    padding: 20px 24px;
    display: grid;
    gap: 12px;
}
.langyu-pay-method-option input {
    display: none;
}
.langyu-pay-method-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid var(--langyu-border, #e0e0e0);
    cursor: pointer;
    transition: border-color 0.2s ease;
    position: relative;
}
.langyu-pay-method-pill img {
    height: 24px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}
.langyu-pay-method-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--langyu-text, #222);
}
.langyu-pay-method-option input:checked + .langyu-pay-method-pill {
    border-color: var(--langyu-primary, #3273f0);
    box-shadow: 0 0 0 1px var(--langyu-primary, #3273f0);
}
.langyu-pay-method-option input:checked + .langyu-pay-method-pill::after {
    content: '✓';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    font-weight: 600;
    color: var(--langyu-primary, #3273f0);
}
.langyu-pay-method-confirm {
    display: block;
    width: calc(100% - 48px);
    margin: 0 24px 22px;
    padding: 13px;
    border: 0;
    border-radius: 999px;
    background: var(--langyu-button-bg, #111);
    color: var(--langyu-button-text, #fff);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s ease;
}
.langyu-pay-method-confirm:hover {
    opacity: 0.88;
}
.langyu-pay-method-confirm:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}
.langyu-pay-method-feedback {
    margin: 0 24px 18px;
    font-size: 13px;
    text-align: center;
    min-height: 18px;
}