* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #0b0e1a;
    color: #ffffff;
    overflow-x: hidden;
}

.page-wrapper {
    width: 100%;
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

.section-header {
    margin-bottom: 40px;
}

.section-title {
    font-size: 21px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.section-desc {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 12px;
}

.title-line {
    width: 40px;
    height: 3px;
    background: #4a8fe7;
    border-radius: 2px;
}

.brand-title {
    font-size: 21px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.brand-header {
    margin-bottom: 24px;
}

.brand-logo-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.brand-logo {
    display: flex;
    align-items: center;
    min-width: 80px;
}

.brand-logo-icon {
    width: 120px;
    height: 60px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    color: #4a8fe7;
}

.brand-header .title-line {
    margin-bottom: 24px;
}

.brand-content {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 32px;
}

.warranty-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.warranty-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.warranty-modal {
    position: relative;
    width: 90%;
    max-width: 480px;
    background: linear-gradient(135deg, rgba(74, 143, 231, 0.08) 0%, rgba(74, 143, 231, 0.02) 100%);
    border: 1px solid rgba(74, 143, 231, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 40px rgba(74, 143, 231, 0.1);
}

.warranty-modal-overlay.show .warranty-modal {
    transform: scale(1) translateY(0);
}

.warranty-modal::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-top: 3px solid rgba(74, 143, 231, 0.5);
    border-right: 3px solid rgba(74, 143, 231, 0.5);
    border-top-right-radius: 20px;
    pointer-events: none;
}

.warranty-modal::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 100px;
    border-bottom: 3px solid rgba(74, 143, 231, 0.5);
    border-left: 3px solid rgba(74, 143, 231, 0.5);
    border-bottom-left-radius: 20px;
    pointer-events: none;
}

.warranty-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: rgba(255, 255, 255, 0.5);
}

.warranty-modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.warranty-modal-download {
    position: absolute;
    top: 16px;
    right: 60px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: rgba(255, 255, 255, 0.5);
}

.warranty-modal-download:hover {
    background: rgba(74, 143, 231, 0.15);
    color: #4a8fe7;
}

.warranty-modal-content {
    padding: 40px 32px 32px;
}

.warranty-modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 28px;
}

.warranty-modal-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.warranty-modal-logo {
    max-width: 100%;
    max-height: 100%;
}

.warranty-modal-title {
    font-size: 17px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 1px;
    margin: 0;
}

.warranty-modal-body {
    margin-bottom: 28px;
}

.warranty-modal-status {
    text-align: center;
    margin-bottom: 24px;
}

.warranty-modal-status-text {
    display: inline-block;
    padding: 8px 24px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 1px;
}

.warranty-modal-status-text.success {
    background: linear-gradient(135deg, rgba(74, 143, 231, 0.2) 0%, rgba(74, 143, 231, 0.1) 100%);
    color: #4a8fe7;
    border: 1px solid rgba(74, 143, 231, 0.3);
}

.warranty-modal-status-text.error {
    background: linear-gradient(135deg, rgba(255, 80, 80, 0.2) 0%, rgba(255, 80, 80, 0.1) 100%);
    color: #ff5050;
    border: 1px solid rgba(255, 80, 80, 0.3);
}

.warranty-modal-status-text.warning {
    background: linear-gradient(135deg, rgba(255, 160, 0, 0.2) 0%, rgba(255, 160, 0, 0.1) 100%);
    color: #ffa000;
    border: 1px solid rgba(255, 160, 0, 0.3);
}

.warranty-modal-details {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 20px 24px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.warranty-modal-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.warranty-modal-detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.warranty-modal-detail-item:first-child {
    padding-top: 0;
}

.warranty-modal-detail-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
}

.warranty-modal-detail-value {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.warranty-modal-message {
    text-align: center;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.warranty-modal-record-count {
    display: block;
    font-size: 9px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 8px;
}

.warranty-modal-records {
    max-height: 320px;
    overflow-y: auto;
}

.warranty-modal-footer {
    display: flex;
    justify-content: center;
}

.warranty-modal-btn {
    padding: 14px 48px;
    background: linear-gradient(135deg, #4a8fe7 0%, #3a70c0 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(74, 143, 231, 0.3);
}

.warranty-modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(74, 143, 231, 0.4);
}

.warranty-modal-btn:active {
    transform: translateY(0);
}

.warranty-modal-record {
    margin-bottom: 20px;
}

.warranty-modal-record:last-child {
    margin-bottom: 0;
}

.warranty-modal-record-title {
    font-size: 8px;
    color: #4a8fe7;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.warranty-modal-record-title::before {
    content: '';
    width: 4px;
    height: 12px;
    background: #4a8fe7;
    border-radius: 2px;
}

.warranty-modal-highlight {
    color: #FFD369 !important;
    position: relative;
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(255, 211, 105, 0.15), rgba(255, 211, 105, 0.08));
    border: 1px solid rgba(255, 211, 105, 0.3);
    border-radius: 6px;
    overflow: hidden;
    animation: warrantyGlow 2s ease-in-out infinite;
}

.warranty-modal-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 211, 105, 0.3), transparent);
    animation: warrantyShimmer 2.5s infinite;
}

@keyframes warrantyShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes warrantyGlow {
    0%, 100% { 
        box-shadow: 0 0 8px rgba(255, 211, 105, 0.2);
    }
    50% { 
        box-shadow: 0 0 16px rgba(255, 211, 105, 0.4), 0 0 24px rgba(255, 211, 105, 0.2);
    }
}

.warranty-modal-reason {
    color: rgba(255, 255, 255, 0.35);
}