.quark-dl-box {
    width: 100%;
    margin: 0;
    padding: 0;
    border: none;
    background: none;
}

.quark-dl-box * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    text-decoration: none;
    background: transparent;
    border: none;
    outline: none;
    list-style: none;
}

.quark-dl-box p {
    text-align: center;
    margin: 20px 0;
    padding: 0;
}

.quark-dl-btn {
    display: inline-block !important;
    padding: 16px 40px !important;
    background: #FF5722 !important;
    color: white !important;
    text-decoration: none !important;
    border-radius: 8px !important;
    font-weight: bold !important;
    font-size: 18px !important;
    border: none !important;
    outline: none !important;
    cursor: pointer !important;
    transition: background-color 0.3s ease !important;
    text-align: center !important;
    line-height: normal !important;
    box-shadow: none !important;
    vertical-align: middle !important;
    letter-spacing: normal !important;
    word-spacing: normal !important;
    text-indent: 0 !important;
    text-transform: none !important;
    white-space: nowrap !important;
}

.quark-dl-btn:hover {
    background: #E64A19 !important;
}

.quark-dl-btn:active {
    background: #D84315 !important;
}

.quark-dl-box .quark-report-text {
    text-align: center;
    margin: -10px 0 20px;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.quark-dl-box .quark-report-text span {
    color: red;
    text-decoration: none;
    cursor: pointer;
}

.quark-dl-box .quark-report-text span:hover {
    text-decoration: underline;
}

.quark-dl-result {
    text-align: center;
    display: none;
    margin: 10px 0;
}

.quark-dl-result.loading {
    color: #666;
}

.quark-dl-result.success {
    color: #4CAF50;
}

.quark-dl-result.error {
    color: #F44336;
}

.progress-container {
    width: 100%;
    height: 8px;
    background: #eee;
    border-radius: 4px;
    margin: 10px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: #F3AC07;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.quark-qr-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 99999 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
}

.quark-modal-overlay {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0,0,0,0.7) !important;
    z-index: 1 !important;
}

.quark-modal-content {
    position: relative !important;
    background: white !important;
    padding: 25px !important;
    border-radius: 12px !important;
    text-align: center !important;
    max-width: 300px !important;
    width: auto !important;
    margin: 0 !important;
    z-index: 2 !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3) !important;
    border: none !important;
}

.quark-modal-content h3 {
    font-size: 18px !important;
    font-weight: bold !important;
    color: #333 !important;
    margin: 0 0 20px 0 !important;
    padding: 0 !important;
    line-height: 1.2 !important;
}

.quark-modal-close {
    position: absolute !important;
    top: 15px !important;
    right: 15px !important;
    font-size: 24px !important;
    cursor: pointer !important;
    z-index: 10 !important;
    color: #999 !important;
    background: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.quark-modal-close:hover {
    color: #666 !important;
}

.quark-qr-code {
    width: 220px !important;
    height: 220px !important;
    margin: 20px auto !important;
    display: block !important;
    border: none !important;
}

.quark-qr-tip {
    color: #666 !important;
    font-size: 14px !important;
    margin-top: 10px !important;
    line-height: 1.5 !important;
    white-space: normal !important;
    word-break: break-word !important;
}

.quark-alert-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 99999 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
}

.quark-alert-content {
    position: relative !important;
    background: white !important;
    padding: 30px !important;
    border-radius: 12px !important;
    text-align: center !important;
    max-width: 320px !important;
    width: auto !important;
    margin: 0 !important;
    z-index: 2 !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3) !important;
    border: none !important;
}

.quark-alert-content p {
    font-size: 16px !important;
    color: #333 !important;
    margin: 0 0 20px 0 !important;
    padding: 0 !important;
}

.quark-alert-btn {
    display: inline-block !important;
    padding: 10px 30px !important;
    background: #FF5722 !important;
    color: white !important;
    text-decoration: none !important;
    border-radius: 6px !important;
    font-weight: bold !important;
    font-size: 14px !important;
    border: none !important;
    outline: none !important;
    cursor: pointer !important;
    transition: background-color 0.3s ease !important;
    text-align: center !important;
    line-height: 1.2 !important;
}

.quark-alert-btn:hover {
    background: #E64A19 !important;
}