.zeu-default-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, #16b886, #1888ff);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
}

.zeu-chain-box {
    margin-bottom: 10px;
    border: 1px solid var(--main-border-color);
    background: var(--muted-bg-color);
}

.zeu-chain-title {
    margin-bottom: 8px;
    color: var(--muted-2-color);
    font-size: 12px;
    line-height: 1.4;
}

.zeu-chain-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.zeu-chain-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 12px;
    border: 1px solid var(--main-border-color);
    border-radius: var(--main-radius);
    background: var(--main-bg-color);
    color: var(--main-color);
    cursor: pointer;
    line-height: 1;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.zeu-chain-item:hover,
.zeu-chain-item:focus {
    border-color: var(--focus-color);
    color: var(--focus-color);
    box-shadow: 0 0 0 3px var(--focus-shadow-color);
    outline: none;
}

.zeu-chain-item.active {
    border-color: var(--focus-color);
    background: rgba(24, 136, 255, 0.08);
    color: var(--focus-color);
    box-shadow: 0 0 0 1px rgba(24, 136, 255, 0.14) inset;
}

.zeu-chain-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.zeu-chain-icon img {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    object-fit: cover;
}

.zeu-chain-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #16b886, #1888ff);
    color: #fff;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0;
}

.pay-payment.epay_usdt .pay-logo {
    border-radius: 50%;
    background-image: var(--zeu-pay-icon, none);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.pay-payment.epay_usdt .pay-logo:empty {
    background: linear-gradient(135deg, #16b886, #1888ff);
}

.pay-payment.epay_usdt .pay-logo-name {
    display: none;
}

.pay-payment.epay_usdt .zeu-pay-label {
    display: inline-flex;
    align-items: center;
    margin-left: 10px;
    color: var(--key-color);
    font-weight: 600;
}

body.dark-theme .zeu-chain-box {
    border-color: var(--muted-border-color);
    background: rgba(255, 255, 255, 0.04);
}

body.dark-theme .zeu-chain-item {
    border-color: var(--muted-border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--main-color);
}

body.dark-theme .zeu-chain-item.active {
    border-color: var(--focus-color);
    background: rgba(255, 255, 255, 0.08);
    color: var(--focus-color);
}